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Displaying record number 2165
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MAb ID |
VRC03 (VRC03d45) |
HXB2 Location |
Env |
Env Epitope Map
|
Author Location |
gp120 |
Epitope |
|
Subtype |
B |
Ab Type |
gp120 CD4bs |
Neutralizing |
P View neutralization details |
Contacts and Features |
View contacts and features |
Species
(Isotype)
|
human(IgG1) |
Patient |
NIH45 |
Immunogen |
HIV-1 infection |
Keywords |
adjuvant comparison, antibody binding site, antibody generation, antibody interactions, antibody lineage, antibody polyreactivity, antibody sequence, assay or method development, autoantibody or autoimmunity, binding affinity, broad neutralizer, chronic infection, computational prediction, effector function, escape, germline, glycosylation, immunotherapy, kinetics, memory cells, mutation acquisition, neutralization, polyclonal antibodies, review, SIV, structure, subtype comparisons, vaccine antigen design, vaccine-induced immune responses, variant cross-reactivity, viral fitness and/or reversion |
Notes
Showing 58 of
58 notes.
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VRC03: Eighty clusters of overlapping epitopes that could bind to MHC Class II HLA-DR1*01:01 (DR1) allele were identified by LC-MS/MS using a cell-free processing system that incorporated soluble DR1, HLA-DM (DM), cathepsins, and full-length protein antigens (Gag, Pol, Env, Vif, Tat, Rev, and Nef). Sixteen of Env CD4+ T cell epitopes identified in this study, which were primarily located in the vicinity of the gp120/gp41 interface or the CD4bs, were assessed for overlap with bnAb binding footprints. Only glycosylated EQF351-371 (EQFGNNKTIIFKQSSGGDPEIV) overlapped with the binding footprint of CD4bs-targeting bnAb VRC03.
Sengupta2023
(antibody binding site)
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VRC03: Unbiased sequence analysis of B-cell receptor repertoirs from 57 uninfected and 46 chronic participants were used to inform a probabalistic model of bnAb likelihood of development. The lower the bnAb probability of development, the higher the predictive neutralization capacity and actual potency. The IGoR (Inference and Generation of Repertoires) tool was used to predict CDRH3 generation probability (Pgen) and point mutation accumulation probability (PSHM), and their combined probability score, S, along with giving a method of ranking bnAbs, was highly predictive of neutralization potency. Despite CDRH3 length and number of mutations being a strong determinant of bnAb probability, VRC03 was one Ab that did not have an elongated CDRH3, but is a potent bnAb. Untreated chronic individuals had a very slight correlation with longer CDRH3s but breadth of neutralization was not correlated with presence or absence of (ART) treatment. Overall, though, there is no difference in probability of bnAb development and generation with chronic disease state.
Kreer2023
(mutation acquisition, neutralization, computational prediction, antibody sequence, chronic infection)
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VRC03: A panel of 30 contemporary subtype B pseudoviruses (PSVs) was generated. Neutralization sensitivities of these PSVs were compared with subtype B strains from earlier in the pandemic using 31 nAbs (PG9, PG16, PGT145, PGDM1400, CH02, CH03, CH04, 830A, PGT121, PGT126, PGT128, PGT130, 10-1074, 2192, 2219, 3074, 3869, 447-52D, b12, NIH45-46, VRC01, VRC03, 3BNC117, HJ16, sCD4, 10E8, 4E10, 2F5, 7H6, 2G12, 35O22). A significant reduction in Env neutralization sensitivity was observed for 27 out of 31 nAbs for the contemporary, as compared to earlier-decade subtype B PSVs. A decline in neutralization sensitivity was observed across all Env domains; the nAbs that were most potent early in the pandemic suffered the greatest decline in potency over time. A metaanalysis demonstrated this trend across multiple subtypes. As HIV-1 Env diversification continues, changes in Env antigenicity and neutralization sensitivity should continue to be evaluated to inform the development of improved vaccine and antibody products to prevent and treat HIV-1.
Wieczorek2023
(neutralization, viral fitness and/or reversion)
-
VRC03:This study identified a B cell lineage of bNAbs in an HIV-1 elite post-treatment controller (ePTC; donor: PTC-005002). Circulating viruses in PTC escaped bNAb pressure but remained sensitive to autologous neutralization by other Ab populations. VRC03 was used as a reference anti-CD4 Ab.
Molinos-Albert2023
(binding affinity)
-
VRC03: Two conserved tyrosine (Y) residues within the V2 loop of gp120, Y173 and Y177, were mutated individually or in combination, to either phenylalanine (F) or alanine (A) in several strains of diverse subtypes. In general, these mutations increased neutralization sensitivity, with a greater impact of Y177 over Y173 single mutations, of double over single mutations, and of A over F substitutions. The Y173A Y177A double mutation in HIV-1 BaL increased sensitivity to most of the weakly neutralizing MAbs tested (2158, 447-D, 268-D, B4e8, D19, 17b, 48d, 412d) and even rendered the virus sensitive to non-neutralizing antibodies against the CD4 binding site (F105, 654-30D, and b13). In the case of V2 mAb 697-30D, residue Y173 is part of its epitope, and thus abrogates its binding and has no effect on neutralization; the Y177A mutant alone did increase neutralization sensitivity to this mAb. When the double mutant was tested against bnAbs, there was a large decrease in neutralization sensitivity compared to WT for many bnAbs that target V1, V2, or V3 (PG9, PG16, VRC26.08, VRC38, PGT121, PGT122, PGT123, PGT126, PGT128, PGT130, PGT135, VRC24, CH103). The double mutation had lesser or no effect on neutralization by one V3 bnAb (2G12) and by most bnAbs targeting the CD4 binding site (VRC01, VRC07, VRC03, VRC-PG04, VRC-CH31, 12A12, 3BNC117, N6), the gp120-gp41 interface (35O22, PGT151), or the MPER (2F5, 4E10, 10E8).
Guzzo2018
(antibody binding site, neutralization)
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VRC03: This study explored the basis of the neutralization resistance of tier 3 virus 253-11 (subtype CRF02_AG). Virus 253-11 was resistant to neutralization by 17b, b12, VRC03, F105, SCD4, CH12, Z13e1, PG16, PGT145, 2G12, PGT121, PGT126, PGT128, PGT130, 39F, F240, and 35O22; the virus was sensitive to 3BNC117, NIH45-46G54W, VRC01, 10E8, 2F5, 4E10, PG9, VRC26.26, 10-1074, and PGT151. Virus 253-11 was strikingly resistant to most tested antibodies that target V3/glycans, despite possessing key potential N-linked glycosylation sites, especially N301 and N332, needed for the recognition of this class of antibodies. The resistance of 253-11 was not associated with an unusually long V1/V2 loop, nor with polymorphisms in the V3 loop and N-linked glycosylation sites. The 253-11 MPER was rarely recognized by sera, but was more often recognized in a chimera consisting of a HIV-2 backbone with the 253-11 MPER, suggesting steric or kinetic hindrance of the MPER. Mutations in the 253-11 MPER previously reported to increase the lifetime of the prefusion Env conformation (Y681H, L669S), decreased the resistance of 253-11 to several mAbs, presumably destabilizing its otherwise stable, closed trimer structure. A crystal structure of a recombinant 253-11 SOSIP trimer revealed that the heptad repeat helices in gp41 are drawn in close proximity to the trimer axis and that gp120 protomers also showed a relatively compact form around the trimer axis.
Moyo2018
(neutralization, structure)
-
VRC03: Using subtype A BG505 Env structural information, improved variants of subtype B JRFL and subtype C 16055 Env native flexibly linked (NFL) trimers were generated. The trimer-derived (TD) residues that increased well-ordered, homogeneous, stable, and soluble trimers did not require positive or negative selection as previously needed [Guenaga2015, PLoS Pathos. 11(1):e1004570]. VRC03 recognition and avidity to the CD4bs was high, with binding to the JRFL NFL TD15 trimer being higher than to the 16055 NFL TD8 as was the case for other CD4bs-bnAbs tested, viz. VRC01 and VRC06.
Guenaga2015a
(antibody interactions, assay or method development, vaccine antigen design, structure)
-
VRC03: Cryo-electron microscopy (EM) of the cleaved, soluble SOSIP gp140 trimer complexed with CD4bs-binding bnAb PGV04 was studied at 5.8Å, facilitating study of Env V1/V2, V3, HR1 and HR2 domains and some shielding glycans. This provides further information on trimer assembly, gp120-gp41 interactions and the three-dimensional CD4bs epitope cluster. For instance, acidic residues in framework region 3 in the heavy chain (HFR3) of CD4bs antibodies VRC03 (also VRC06), 3BNC117 and 3BNC60 interact with basic residues on an adjacent protomer.
Lyumkis2013
(vaccine antigen design, structure)
-
VRC03: Native, well-ordered, soluble mimetics of the Env trimer from subtypes B (JRFL) and C (16055) were obtained from genetically identical samples of heterogeneous mixture of disordered Env SOSIPs. Negative selection by non-nAbs was used to remove disordered oligomers, leaving well-ordered trimers that were able to bind sCD4, a panel of bnAbs that bind CD4bs, and PGT15 which is a bnAb that binds only cleavage-dependent, well-ordered, Env trimer. Several biophysical techniques were used to interrogate the structure of the purified subtype B and C trimers. Trimer antigenicity was assessed by bio-layer interferometry against F105-like non-neutralizing Abs, and some bnAbs in solution. Quaternary epitope-preferring and trimer-specific (due to a long framework region that inserts into the Env V3 loops of adjacent promoters) Ab VRC03 does not bind open/disordered trimers well or recognize monomers, but recognizes these non-nAb negatively selected trimers.
Guenaga2015
(vaccine antigen design, subtype comparisons, structure)
-
VRC03: Some CD4-binding site Abs have greater env trimer binding due to quaternary contacts. This study engrafted the extended heavy-chain framework region 3 (FR3) loop of VRC03, which mediates quaternary interaction, onto several potent bnAbs, enabling them to reach an adjacent gp120 protomer. The interactive quaternary surface was delineated by solving the crystal structure of 2 of the chimeric antibodies. Chimerization enhances the neutralizing activity of several potent bNAbs against a majority of global HIV-1 strains. Compared to unmodified antibodies, the chimeric antibodies displayed lower autoreactivity and prolonged in vivo half-life in huFcRn mice and macaques. Thus, paratope engraftment may be used to expand the epitope repertory of natural antibodies, improving their functionality. VRC03 was tested for autoreactivity by 2 assays, and was not autoreactive in either assay.
Liu2019
(autoantibody or autoimmunity, neutralization)
-
VRC03: This study examined whether HIV-1-specific bnAbs are capable of cross-neutralizing simian immunodeficiency viruses (SIVs) from chimpanzees (n=11) or western gorillas (n=1). BnAbs directed against the epitopes at the CD4 binding site (VRC01, VRC03, VRC-PG04, VRC-CH03, VRC-CH31, F105, b13, NIH45-46G54W, 45-46m2, 45-46m7), V3 (10-1074, PGT121, PGT128, PGT135, and 2G12), and gp41-gp120 interface (8ANC195, 35O22, PGT151, PGT152, PGT158) failed to neutralize SIVcpz and SIVgor strains. V2-directed bNabs (PG9, PG16, PGT145) as well as llama-derived heavy-chain only antibodies recognizing the CD4 binding site or gp41 epitopes (JM4, J3, 3E3, 2E7, 11F1F, Bi-2H10) were either completely inactive or neutralized only a fraction of SIVcpz strains. In contrast, neutralization of SIVcpz and SIVgor strains was achieved with low-nanomolar potency by one antibody targeting the MPER region of gp41 (10E8), as well as functional CD4 and CCR5 receptor mimetics (eCD4-Ig, eCD4-Igmim2, CD4-218.3-E51, CD4-218.3-E51-mim2), mono- and bispecific anti-human CD4 mAbs (iMab, PG9-iMab, PG16-iMab, LM52, LM52-PGT128), and CCR5 receptor mAbs (PRO140, PRO140-10E8). Importantly, the latter antibodies blocked virus entry not only in TZM-bl cells but also in Cf2Th cells expressing chimpanzee CD4 and CCR5, and neutralized SIVcpz in chimpanzee CD4+ T cells. These findings provide new insight into the protective capacity of anti-HIV-1 bnAbs and identify candidates for further development to combat SIV infection.
Barbian2015
(neutralization, SIV, binding affinity)
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VRC03: In vertically-infected infant AIIMS731, a rare HIV-1 mutation in hypervariable loop 2 (L184F) was studied. In patient sequences, this mutation was present in the majority of clones. A panel of 6 V2 bnAbs (PG9, PG16, PGT145, PGDM1400, CAP256.25, and CH01) was assayed for neutralization of 6 patient viral clones. The AIIMS731 viral variants segregated into 4 neutralization-sensitive and 2 resistant clones; sensitive clones carried 184F, while resistant clones carried the rare 184L mutation. A large panel of bnAbs targeting non-V2 epitopes was used to assess the neutralization of the 6 patient viral variants. The bnAb panel consisted of V3/N332 glycan supersite bnAbs (10-1074, BG18, AIIMS-P01, PGT121, PGT128, and PGT135), CD4bs bnAbs (VRC01, VRC03, VRC07-523LS, N6, 3BNC117, and NIH45-46 G54W), a silent face-targeting bnAb (PG05), fusion peptide and gp120-gp41 interface bnAbs (PGT151, 35O22, and N123-VRC34.01), and MPER bnAbs (10E8, 4E10, and 2F5). All of these bnAbs had similar neutralization efficiencies for all 6 clones, suggesting that the L184F mutation was specific for viral escape from neutralization by V2 apex bnAbs. A panel of non-neutralizing mAbs (V3 loop-targeting non-nAbs 447-52D and 19b, and CD4-induced non-nAbs 17b, A32, 48d, and b6), were also assessed; 2 of the variants (the same 2 susceptible to the V2 bnAbs) showed moderate neutralization by 447-52D, 19b, 17b, and 48d. The structure of ligand-free BG505 SOSIP trimer revealed that the side chain of L184 was outward facing and did not make significant intraprotomeric interactions, but upon mutating L184 to F184, a disruption of the accessible surface between the bulky side chain of F184 on one protomer and R165 on the neighboring protomer was seen. Thus, the L184F mutation resulted in increased susceptibility to neutralization by antibodies known to target the relatively more open conformation of Env on tier 1 viruses, suggesting that the rare L184F mutation allowed Env to sample more open states resembling the CD4-bound conformation where the CCR5 binding site is exposed.
Mishra2020
(neutralization, polyclonal antibodies)
-
VRC03: This study inferred a high-probability unmutated common ancestor (UCA) of the VRC01 lineage and reconstructed the stages of lineage maturation, including a phylogeny of 45 naturally-paired mAbs from donor NIH45. Nine new lineage members were isolated from donor NIH45, named DH651.1 - DH561.9. The study also derived VH and VL reverted forms of several VRC01-class mAbs derived from other donors (12A12, 3BNC60, 3BNC117, VRC20, VRC23, and VRC18b). Early mutations within the VRC01 lineage defined maturation pathways toward limited or broad neutralization, suggesting that focusing the immune response is likely required to steer B-cell maturation toward the development of neutralization breadth. VRC01 lineage bnAbs with long CDR H3s overcame the HIV-1 N276 glycan barrier without shortening their CDR L1, revealing a solution for broad neutralization in which the heavy chain, not CDR L1, is the determinant to accommodate the N276 glycan. An X-ray structure and molecular dynamics simulation of VRC08 were studied to elucidate this process.
Bonsignori2018
(neutralization, structure, antibody lineage)
-
VRC03: Since cross-reactive antibodies can interfere in immunoassays, HIV-1 mAbs were tested for binding to the SARS-COV-2 spike (S) protein (SARS-COV-2 S cross-reactivity). The following 9 gp120-epitope binding HIV-1 mAbs are cross-reactive with COV-2 S: 2G12, PGT121, PGT126, PGT128, PGT145, PG9, PG16, 10-1074, and 35O22. CD4bs Abs VRC01 and VRC03 are not cross-reactive. Cross-reactivity of the 9 HIV-1 Abs was through glycoepitopes. Glycan-dependent, V3-loop-binding PGT126 and PGT128 as well as 2G12 were the strongest binders of COV-2 S and were found to be immunoreactive but incapable of neutralization or antibody-dependent enhancement (ADE).
Mannar2021
(antibody interactions, effector function, glycosylation, computational prediction, antibody polyreactivity)
-
VRC03: This study demonstrated that bNAb signatures can be utilized to engineer HIV-1 Env vaccine immunogens eliciting Ab responses with greater neutralization breadth. Data from four large virus panels were used to comprehensively map viral signatures associated with bNAb sensitivity, hypervariable region characteristics, and clade effects. The bNAb signatures defined for the V2 epitope region were then employed to inform immunogen design in a proof-of-concept exploration of signature-based epitope targeted (SET) vaccines. V2 bNAb signature-guided mutations were introduced into Env 459C to create a trivalent vaccine which resulted in increased breadth of nAb responses compared with Env 459C alone. VRC03 was used for analyzing clade sensitivity.
Bricault2019
(antibody binding site, neutralization, vaccine antigen design, computational prediction, broad neutralizer)
-
VRC03: The influence of a V2 State 2/3-stabilizing Env mutation, L193A, on ADCC responses mediated by sera from HIV-1-infected individuals was evaluated. Conformations spontaneously sampled by the Env trimer at the surface of infected cells had a significant impact on ADCC. State 1-preferring ligand VRC03 recognized L193A variants of CH58 and CH77 IMCs with less efficiently compared to the WT.
Prevost2018
(effector function)
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VRC03: This review discusses the identification of super-Abs, where and how such Abs may be best applied and future directions for the field. VRC03 was isolated from human B cell clones and is functionally similar to VRC01. Antigenic region CD4 binding site (Table:1)
Walker2018
(antibody binding site, review, broad neutralizer)
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VRC03: A panel of bnAbs were studied to assess ongoing adaptation of the HIV-1 species to the humoral immunity of the human population. Resistance to neutralization is increasing over time, but concerns only the external glycoprotein gp120, not the MPER, suggesting a high selective pressure on gp120. Almost all the identified major neutralization epitopes of gp120 are affected by this antigenic drift, suggesting that gp120 as a whole has progressively evolved in less than 3 decades.
Bouvin-Pley2014
(neutralization)
-
VRC03: Assays of poly- and autoreactivity demonstrated that broadly neutralizing NAbs are significantly more poly- and autoreactive than non-neutralizing NAbs. VRC03 is neither autoreactive nor polyreactive.
Liu2015a
(autoantibody or autoimmunity, antibody polyreactivity)
-
VRC03: This study describes a computational method to calculate the binding affinities of antibodies and antigens. The method called free-energy perturbation (FEP) was developed using HIV-1 Env gp120 and 3 VRC01-class mAbs, VRC01, VRC03, and VRC-PG04.
Clark2017
(binding affinity, structure)
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VRC03: This study performed cyclical permutation of the V1 loop of JRFL in order to develop better gp120 trimers to elicit neutralizing antibodies. Some mutated trimers showed improved binding to several mAbs, including VRC01, VRC03, VRC-PG04, PGT128, PGT145, PGDM1400, b6, and F105. Guinea pigs immunized with prospective trimers showed improved neutralization of a panel of HIV-1 pseudoviruses.
Kesavardhana2017
(vaccine antigen design, vaccine-induced immune responses)
-
VRC03: This study investigated the ability of native, membrane-expressed JR-FL Env trimers to elicit NAbs. Rabbits were immunized with virus-like particles (VLPs) expressing trimers (trimer VLP sera) and DNA expressing native Env trimer, followed by a protein boost (DNA trimer sera). N197 glycan- and residue 230- removal conferred sensitivity to Trimer VLP sera and DNA trimer sera respectively, showing for the first time that strain-specific holes in the "glycan fence" can allow the development of tier 2 NAbs to native spikes. All 3 sera neutralized via quaternary epitopes and exploited natural gaps in the glycan defenses of the second conserved region of JR-FL gp120. All the neutralizing rabbit sera showed significant competition with CD4bs mAbs VRC03, VRC07, b12 and 1F7.
Crooks2015
(glycosylation, neutralization)
-
VRC03: Env residue N197 on the BG505-SOSIP trimer was mutated to test the effect of its glycosylation on the binding kinetics of CD4BS and other mAbs. Removal of the glycan had little effect on the overall structure of the molecule. Its removal resulted in increased binding of CD4 and CD4BS antibodies (VRC01, VRC03, V3-3074), but little effect on bNAbs targeting other epitopes (PG9, PG16, PGT145, 17b, A32, 2G12, PGT121, PGT126). Two CD4BS-binding antibodies tested (b12, F105) had insufficient breadth to bind the BG505-SOSIP trimer. Removal of the N197 glycan may allow for the development of better SOSIP immunogens, particularly to elicit CD4BS-specific Abs.
Liang2016
(glycosylation, vaccine antigen design)
-
VRC03: Somatic hypermutation and affinity maturation improve an antibody's complementarity with its target epitope. Mass spectroscopy and X-ray structures were used to examine two classes of mAbs, CD4 binding Abs (VRC03, VRC-PG04) and V2 binding Abs (VRC26.01, VRC26.03, VRC26.10, PG16, CH03), to determine how specific mutations that occurred during maturation affected the binding of the mAbs to their target epitope.
Davenport2016
(structure, antibody lineage)
-
VRC03: Env trimer BG505 SOSIP.664 as well as the clade B trimer B41 SOSIP.664 were stabilized using a bifunctional aldehyde (glutaraldehye, GLA) or a heterobifunctional cross-linker, EDC/NHS with modest effects on antigenicity and barely any on biochemistry or structural morphology. ELISA, DSC and SPR were used to test recognition of the trimers by bNAbs, which was preserved and by weakly NAbs or non-NAbs, which was reduced. Cross-linking partially preserves quaternary morphology so that affinity chromatography by positive selection using quaternary epitope-specific bNAabs, and negative selection using non-NAbs, enriched antigenic characteristics of the trimers. Binding of the anti-CD4bs bNAb VRC03 to trimers was minimally affected by trimer cross-linking.
Schiffner2016
(assay or method development, binding affinity, structure)
-
VRC03: A new trimeric immunogen, BG505 SOSIP.664 gp140, was developed that bound and activated most known neutralizing antibodies but generally did not bind antibodies lacking neuralizing activity. This highly stable immunogen mimics the Env spike of subtype A transmitted/founder (T/F) HIV-1 strain, BG505. Anti-CD4bs bNAb VRC03 neutralized BG505.T332N, the pseudoviral equivalent of the immunogen BG505 SOSIP.664 gp140, and was shown to recognize and bind the immunogen too.
Sanders2013
(assay or method development, neutralization, binding affinity)
-
VRC03: This study described a natural interaction between Abs and mucin protein, especially, MUC16 that is enhanced in chronic HIV infection. Agalactosylated (G0) Abs demonstrated the highest binding to MUC16. Binding of Abs to epithelial cells was diminished following MUC16 knockdown, and the MUC16 N-linked glycans were critical for binding.These point to a novel opportunity to enrich Abs at mucosal sites by targeting Abs to MUC16 through changes in Fc glycosylation, potentially blocking viral movement. VRC03 produced in either wild-type or FUT8kd 293T cells to produce fucosylated or afucosylated Abs, respectively, was assayed for MUC16 binding by ELISA.
Gunn2016
-
VRC03: This study examined the neutralization of group N, O, and P primary isolates of HIV-1 by diverse antibodies. Cross-group neutralization was observed only with the bNAbs targeting the N160 glycan-V1/V2 site. Four group O isolates, 1 group N isolate, and the group P isolates were neutralized by PG9 and/or PG16 or PGT145 at low concentrations. None of the non-M primary isolates were neutralized by bNAbs targeting other regions, except 10E8, which weakly neutralized 2 group N isolates, and 35O22 which neutralized 1 group O isolate. Bispecific bNAbs (PG9-iMab and PG16-iMab) very efficiently neutralized all non-M isolates with IC50 below 1 ug/mL, except for 2 group O strains. Anti-CD4bs bNAb VRC03 was unable to neutralize any of the 16 tested non-M primary isolates at an IC50< 10µg/ml.
Morgand2015
(neutralization, subtype comparisons)
-
VRC03: The rate of maturation and extent of diversity for the VRC01 lineage were characterized through longitudinal sampling of peripheral B cell transcripts from donor 45 over 15 years and co-crystal structures. VRC01-lineage clades underwent continuous evolution, with rates of ˜2 substitutions per 100 nucleotides per year, comparable with HIV-1 evolution. 39 VRC01-lineage Abs segregated into three major clades, and all Abs from donor 45 contained a cysteine at position 98 (99 in some sequences due to a 1-aa insertion) which was used as a signature to assess membership in the VRC01 lineage. Of 1,041 curated NGS sequences assigned to the VRC01 lineage, six did not contain the cysteine while 1,035 did (99.4%). For this Ab CDR H3 length is 14 and VH changes 30%, Vk nucleotide change is 20%.
Wu2015
(antibody lineage)
-
VRC03: The human Ab gene repertoires of uninfected and HIV-1-infected individuals were studied at genomic DNA (gDNA) and cDNA levels to determine the frequencies of putative germline Ab genes of known HIV-1 bnAbs. All libraries were deep sequenced and analysed using IMGT/HighV-QUEST software (http://imgt.org/HighV-QUEST/index. The human gDNA Ab libraries were more diverse in heavy and light chain V-gene lineage usage than the cDNA libraries. This implied that the human gDNA Ab gene repertoires may have more potential than the cDNA repertoires to develop HIV-1 bnmAbs. Relatively high frequencies of the VH and VKs and VLs that used the same V-genes and had the same CDR3 lengths as known HIV-1 bnmAbs regardless of (D)J-gene usage. The putative germline genes were determined for a set of mAbs (b12, VRC01, VRC03, NIH45-46, 3BNC60, PG9, PGT127, and X5).
Zhang2013
(antibody lineage, germline)
-
VRC03: The effect of PNGS on viral infectivity and antibody neutralization (2F5, 4E10, b12, VRC01, VRC03, PG9, PG16, 3869) was evaluated through systemic mutations of each PNGS on CRF07_BC strain. Mutations at N197 (C2), N301 (V3), N442 (C4), and N625 (gp41) rendered the virus more susceptible to neutralization by MAbs that recognize the CD4 binding site or gp41. Generally, mutations on V4/V5 loops, C2/C3/C4 regions, and gp41 reduced the neutralization sensitivity to PG16. However, mutation of N289 (C2) made the virus more sensitive to both PG9 and PG16. Mutations at N142 (V1), N355 (C3) and N463 (V5) conferred resistance to neutralization by anti-gp41 MAbs. Available structural information of HIV Env and homology modeling was used to provide a structural basis for the observed biological effects of these mutations.
Wang2013
(neutralization, structure)
-
VRC03: The ability of bNAbs to inhibit the HIV cell entry was tested for b12, VRC01,VRC03, PG9, PG16, PGT121, 2F5, 10E8, 2G12. Among them, PGT121, VRC01, and VRC03 potently inhibited HIV entry into CD4+ T cells of infected individuals whose viremia was suppressed by ART.
Chun2014
(immunotherapy)
-
VRC03: Cross-group neutralization of HIV-1 isolates from groups M, N, O, and P was tested with diverse patient sera and bNAbs PG9, PG16, 4E10, b12, 2F5, 2G12, VRC01, VRC03, and HJ16. The primary isolates displayed a wide spectrum of sensitivity to neutralization by the human sera, with some cross-group neutralization clearly observed. Among the bNAbs, only PG9 and PG16 showed any cross-group neutralization. The group N prototype strain YBF30 was highly sensitive to neutralization by PG9, and the interaction between their key residues was confirmed by molecular modeling. The conservation of the PG9/PG16 epitope within groups M and N suggests its relevance as a vaccine immunogen.
Braibant2013
(neutralization, variant cross-reactivity)
-
VRC03: VCRC03 was one of 10 MAbs used to study chronic vs. consensus vs. transmitted/founder (T/F) gp41 Envs for immunogenicity. Consensus Envs were the most potent eliciters of response but could only neutralize tier 1 and some tier 2 viruses. T/F Envs elicited the greatest breadth of NAb response; and chronic Envs elicited the lowest level and narrowest response. This CD4BS binding Nab bound well at <10 nM to 1/5 chronic Envs, 0/6 Consensus Envs and 3/7 T/F Envs. It was the only antibody unable to bind Consensus-S gp140 Env.
Liao2013c
(antibody interactions, binding affinity)
-
VRC03: A highly conserved mechanism of exposure of ADCC epitopes on Env is reported, showing that binding of Env and CD4 within the same HIV-1 infected cell effectively exposes these epitopes. The mechanism might explain the evolutionary advantage of downregulation of cell surface CD4v by the Vpu and Nef proteins. VRC03 was used in CD4 coexpression and competitive binding assay.
Veillette2014
(effector function)
-
VRC03d45: The ontogeny of VRC01 class Abs was determined by enumerating VRC01-class characteristics in many donors by next-gen sequencing and X-ray crystallography. Analysis included VRC01 (donor NIH 45), VRC-PG04 (donor IAVI 74), VRC-CH31 (donor 0219), 3BNC117 (donor RU3), 12A21 (donor IAVI 57), and somatically related VRC-PG19,19b, 20, 20b MAbs from donor IAVI 23. Despite the sequence differences of VRC01-class Abs, exceeding 50%, Ab-gp120 cocrystal structures showed VRC01-class recognition to be remarkably similar.
Zhou2013a
(antibody sequence, structure, antibody lineage)
-
VRC03: Next generation sequencing was applied to a new donor C38 (different from donor NIH45) to identify VRC01 class bNAbs. VRC01 class heavy chains were selected through a cross-donor phylogenetic analysis. VRC01 class light chains were identified through a five-amino-acid sequence motif. (CDR L3 length of 5 amino acids and Q or E at position 96 (Kabat numbering) or position 4 within the CDR L3 sequence.) VRC03 was used to compare the heavy & light chain sequences as a template of VRC01 class Ab.
Zhu2013a
(antibody sequence)
-
VRC03: N276D was determined as the critical binding site of MAb HJ16 by resistance induction in a sensitive primary CRF02_AG strain. N-linked glycosylation site removing N276D mutation was responsible for resistance to HJ16 by site-directed mutagenesis in envs of the homologous CRF02_AG, as well as of a subtype A and a subtype C primary isolate. Sensitivity to the CD4bs VRC01 and VRC03 mAbs was increased in the N276D mutated viruses.
Balla-Jhagjhoorsingh2013
(glycosylation)
-
VRC03: A computational method to predict Ab epitopes at the residue level, based on structure and neutralization panels of diverse viral strains has been described. This method was evaluated using 19 Env-Abs, including VRC03, against 181 diverse HIV-1 strains with available Ab-Ag complex structures.
Chuang2013
(computational prediction)
-
VRC03: "Neutralization fingerprints" for 30 neutralizing antibodies were determined using a panel of 34 diverse HIV-1 strains. 10 antibody clusters were defined: VRC01-like, PG9-like, PGT128-like, 2F5-like, 10E8-like and separate clusters for b12, CD4, 2G12, HJ16, 8ANC195. This mAb belongs to VRC01-like cluster.
Georgiev2013
(neutralization)
-
VRC03: Cryoelectron tomography was used to determine structures of A12, m36, or m36/CD4 complexed to trimeric Env displayed on intact HIV-1 BaL virus. The steric interactions at the distal ends of the bound Ab moieties are likely to play a role in determining the rotation of gp120 as in A12 and b12 or without any quaternary structure change as in VRC03.
Meyerson2013
(antibody binding site, structure)
-
VRC03: Isolation of VRC06 and VRC06b MAbs from a slow progressor donor 45 is reported. This is the same donor from whom bnMAbs VRC01, VRC03 and NIH 45-46 were isolated and the new MAbs are clonal variants of VRC03. VRC03 was used as a control to compare neutralizing specificity of VRC06.
Li2012
-
VRC03: This is a comment on Tan2012. It is noted that Tran and colleagues used high-resolution 3D cryoelectron tomography to define the conformation of Env when bound to soluble CD4 and to a series of monoclonal antibodies. It was demonstrated that antibodies binding to the CD4 binding site or coreceptor binding site of Env may lead to significantly different conformations of the trimeric Env complex. VRC01 locks the complex in a closed conformation, while binding to soluble CD4 or the monoclonal antibody 17b fixed the trimer in an open conformation.
Wright2012
(review, structure)
-
VRC03: Previous cryo-electron tomographic studies were extended. A more complete picture of the HIV entry process was presented by showing that HIV-1 Env binding to either soluble CD4 (sCD4) or the co-receptor mimic 17b leads to the same structural opening, or activation, of the Env spike. Atudy also demonstrated structurally that the broadly neutralizing antibodies VRC01, VRC02, VRC03 are able to block this activation, locking Env in a state that resembles closed, native Env. The cryo-electron microscopic structure of soluble trimeric Env in the 17b-bound state is presented at ˜9 Å resolution, revealing it as a novel, activated intermediate conformation of trimeric Env that could serve as a new template for immunogen design.
Tran2012
(structure)
-
VRC03: A computational tool (Antibody Database) identifying Env residues affecting antibody activity was developed. As input, the tool incorporates antibody neutralization data from large published pseudovirus panels, corresponding viral sequence data and available structural information. The model consists of a set of rules that provide an estimated IC50 based on Env sequence data, and important residues are found by minimizing the difference between logarithms of actual and estimated IC50. The program was validated by analysis of MAb 8ANC195, which had unknown specificity. Predicted critical N-glycosylation for 8ANC195 were confirmed in vitro and in humanized mice. The key associated residues for each MAb are summarized in the Table 1 of the paper and also in the Neutralizing Antibody Contexts & Features tool at Los Alamos Immunology Database.
West2013
(glycosylation, computational prediction)
-
VRC03: Somatic hypermutations are preferably found in CDR loops, which alter the Ab combining sites, but not the overall structure of the variable domain. FWR of CDR are usually resistant to and less tolerant of mutations. This study reports that most bnAbs require somatic mutations in the FWRs which provide flexibility, increasing Ab breadth and potency. To determine the consequence of FWR mutations the framework residues were reverted to the Ab's germline counterpart (FWR-GL) and binding and neutralizing properties were then evaluated. Fig S4C described the comparison of Ab framework amino acid replacement vs. interactive surface area on VRC03.
Klein2013
(neutralization, structure, antibody lineage)
-
VRC03: Antigenic properties of 2 biochemically stable and homogeneous gp140 trimers (A clade 92UG037 and C clade CZA97012) were compared with the corresponding gp120 monomers derived from the same percursor sequences. The trimers had nearly all the antigenic properties expected for native viral spikes and were markedly different from monomeric gp120. VRC03 has been discussed as NAb against CD4BS.
Kovacs2012
(antibody binding site, neutralization, binding affinity)
-
VRC03: Existing structural and sequence data was analyzed. A set of signature features for potent VRC01-like (PVL) and almost PVL abs was proposed and verified by mutagenesis. VRC03 has been referred as an almost PVL in discussing the breadth and potency of antiCD4 abs.
West2012a
(antibody lineage)
-
VRC03: The use of computationally derived B cell clonal lineages as templates for HIV-1 immunogen design is discussed. VRC03 has been discussed in terms of immunogenic and functional characteristics of representative HIV-1 BnAbs and their reactions to antigens.
Haynes2012
(antibody interactions, memory cells, vaccine antigen design, review, antibody polyreactivity, broad neutralizer)
-
VRC03: Polyclonal B cell responses to conserved neutralization epitopes are reported. Cross-reactive plasma samples were identified and evaluated from 308 subjects tested. VRC03 was used as a control mAb in the comprehensive set of assays performed. Plasma sample C1-0219 showed binding and neutralizing activities against native Env trimers similar to VRC03 and b12. D368R mutant trimers completely knocked out VRC03 and b12 but partially reduced C1-0219 binding. C1-0219 was unaffected by the W479G mutant suggesting that its nAbs are more akin to b12 than to VRC03.
Tomaras2011
(neutralization, polyclonal antibodies)
-
VRC03: The rational design of vaccines to elicit broadly neutralizing antibodies to HIV-1 is discussed in relation to understanding of vaccine recognition sites, the structural basis of interaction with HIV-1 env and vaccine developmental pathways. Role of VRC03 has been discussed relating to humoral immune response during HIV1 infection and sites of HIV-1 vulnerability to neutralizing antibodies. VRC03 appears to target the site very effectively resulting in neutralization of ˜90% of circulating isolates.
Kwong2011
(antibody binding site, neutralization, vaccine antigen design, review)
-
VRC03: In order to increase recognition of CD4 by Env and to elicit stronger neutralizing antibodies against it, two Env probes were produced and tested - monomeric Env was stabilized by pocket filling mutations in the CD4bs (PF2) and trimeric Env was formed by appending trimerization motifs to soluble gp120/gp14. PF2-containing proteins were better recognized by bNMAb against CD4bs and more rapidly elicited neutralizing antibodies against the CD4bs. Trimeric Env, however, elicited a higher neutralization potency that mapped to the V3 region of gp120.
Feng2012
(neutralization)
-
VRC03: The strategy of incorporating extra glycans onto gp120 was explored, with the goal to occlude the epitopes of non-neutralizing MAbs while maintaining exposure of the b12 site. The focus was on the head-to-head comparison of the ability of 2 adjuvants, monophosphoryl lipid A (MPL) and Quil A, to promote CD4-specific Ab responses in mice immunized with the engineered mutant Q105N compared to gp120wt. Neutralizing and non-neutralizing antibodies targeting three areas on gp120 – the CD4bs (F105, b6, b12, b13, VRC01, VRC03 and CD4- IgG2), the glycosylated ‘silent face’ (2G12) and the V3 loop (B4e8) – were assessed for binding. The antibodies b6, b12, b13, VRC01 and 2G12 bound best to mutant Q105N, albeit with lower affinities than to gp120wt. Retention of b6 and b13 binding was not expected, but can be explained by their very similar mode of interaction with the CD4bs compared to b12. Abs F105 and VRC03 did not bind Q105N at all. The V3-specific antibody B4e8 did not bind to Q105N.
Ahmed2012
(adjuvant comparison, antibody binding site, glycosylation, neutralization, escape)
-
VRC03: VRC01 and VRC03 selection pressures were studied using viral quasispecies from 3 time points (2001, 2006, 2009) in donor 45, from whom VRC01 and VRC03 were initially isolated, and from several time points in 5 additional donors with broadly serum neutralizing Abs. 473 Envs were assessed in total. While most plasma derived autologous Env variants from donor 45 were highly resistant to VRC01, some 2001 Env clones (which are all resistant to VRC01) were sensitive to VRC03 and its clonal relatives VRC06 and VRC06b, suggesting that these mAbs might have evolved at a time point later than VRC01.
Wu2012
(escape)
-
VRC03: Broadly neutralizing HIV-1 immunity associated with VRC01-like antibodies was studied by isolation of VRC01-like neutralizers with CD4bs probe; structural definition of gp120 recognition by RSC3-identified antibodies from different donors; functional complementation of heavy and light chains among VRC01-like antibodies; identification of VRC01 antibodies by 454 pyrosequencing; and cross-donor phylogenetic analysis of sequences derived from the same precursor germline gene. VRC03 bound to YU2 gp120 wild type and several mutated proteins, HXB2 gp120 and antigenically resurfaced protein RSC3, but not bound to gp120 YU2 D368R, D368R/I420R and M475S/R476A mutants. gp120-Fab VRC03 complex was crystallized. Heavy- and light-chain cross-pairing chimeras of VRC01, VRC03, VRC-PG04, VRC-CH31 could neutralize up to 90% of 20 clade A, B and C viruses. Thousands of heavy and light chain sequences were found by 454 pyrosequencing, of which 109 sequences, all of IGHV1-2*02 origin, had >90% sequence identity to VRC03, although sequence identity to VRC01 and VRC02 heavy chains was below 75%. Dozens chimeric antibodies obtained by pairing heavy-chain sequences with VRC03 and PG04 light chains and light-chain sequences with VRC01, VRC03,PG04 heavy chains displayed potent neutralization (up to 90%) of A, B and C clade viruses.
Wu2011
(neutralization, antibody sequence, structure)
-
VRC03: Two SHIV-C mutants were designed: SHIV-1157ipEL-pΔ3N, a mutant of the early SHIV-1157ipEL-p which lacked the 3N residues in the V2 stem, and SHIV-1157ipd3N4+3N, a mutant of the late SHIV-1157ipd3N4 where 3N residues was added in the V2 stem. VRC03 neutralizes all four SHIV-Cs and avoids the conformational masking by the V2 loop in SHIV-Cs.
Watkins2011
(neutralization)
-
VRC03: This review discusses current understanding of Env neutralization by antibodies in relation to epitope exposure and how this insight might benefit vaccine design strategies. This MAb is in the list of current MAbs with notable cross-neutralizing activity.
Pantophlet2010
(neutralization, variant cross-reactivity, review)
-
VRC03: This broadly neutralizing Ab was derived from B-cells from a donor that were screened for CD4bs mAbs with resurfaced stabilized core 3 (RSC3) protein. The protein was designed to preserve the antigenic structure of the gp120 CD4bs neutralizing surface but eliminate other antigenic regions of HIV-1. VRC03 neutralized 57% of 190 virus strains of different HIV-1 clades. VRC03 bound strongly to RSC3 and was highly somatically mutated. Binding of VRC03 to gp120 was competed by b12 and F105. Unlike for VRC01 and VRC02, binding of 17b was not enhanced by the addition of VRC03.
Wu2010
(antibody binding site, antibody generation, antibody interactions, neutralization, variant cross-reactivity, kinetics, binding affinity, antibody sequence)
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Chun2014
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Clark2017
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Davenport2016
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Georgiev2013
Ivelin S. Georgiev, Nicole A. Doria-Rose, Tongqing Zhou, Young Do Kwon, Ryan P. Staupe, Stephanie Moquin, Gwo-Yu Chuang, Mark K. Louder, Stephen D. Schmidt, Han R. Altae-Tran, Robert T. Bailer, Krisha McKee, Martha Nason, Sijy O'Dell, Gilad Ofek, Marie Pancera, Sanjay Srivatsan, Lawrence Shapiro, Mark Connors, Stephen A. Migueles, Lynn Morris, Yoshiaki Nishimura, Malcolm A. Martin, John R. Mascola, and Peter D. Kwong. Delineating Antibody Recognition in Polyclonal Sera from Patterns of HIV-1 Isolate Neutralization. Science, 340(6133):751-756, 10 May 2013. PubMed ID: 23661761.
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Guenaga2015
Javier Guenaga, Natalia de Val, Karen Tran, Yu Feng, Karen Satchwell, Andrew B. Ward, and Richard T. Wyatt. Well-Ordered Trimeric HIV-1 Subtype B and C Soluble Spike Mimetics Generated by Negative Selection Display Native-Like Properties. PLoS Pathog., 11(1):e1004570, Jan 2015. PubMed ID: 25569572.
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Guenaga2015a
Javier Guenaga, Viktoriya Dubrovskaya, Natalia de Val, Shailendra K. Sharma, Barbara Carrette, Andrew B. Ward, and Richard T. Wyatt. Structure-Guided Redesign Increases the Propensity of HIV Env To Generate Highly Stable Soluble Trimers. J. Virol., 90(6):2806-2817, 30 Dec 2015. PubMed ID: 26719252.
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Gunn2016
B. M. Gunn, J. R. Schneider, M. Shansab, A. R. Bastian, K. M. Fahrbach, A. D. Smith, A. E. Mahan, M. M. Karim, A. F. Licht, I. Zvonar, J. Tedesco, M. R. Anderson, A. Chapel, T. J. Suscovich, D. C. Malaspina, H. Streeck, B. D. Walker, A. Kim, G. Lauer, M. Altfeld, S. Pillai, I. Szleifer, N. L. Kelleher, P. F. Kiser, T. J. Hope, and G. Alter. Enhanced Binding of Antibodies Generated During Chronic HIV Infection to Mucus Component MUC16. Mucosal. Immunol., 9(6):1549-1558, Nov 2016. PubMed ID: 26960182.
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Guzzo2018
Christina Guzzo, Peng Zhang, Qingbo Liu, Alice L. Kwon, Ferzan Uddin, Alexandra I. Wells, Hana Schmeisser, Raffaello Cimbro, Jinghe Huang, Nicole Doria-Rose, Stephen D. Schmidt, Michael A. Dolan, Mark Connors, John R. Mascola, and Paolo Lusso. Structural Constraints at the Trimer Apex Stabilize the HIV-1 Envelope in a Closed, Antibody-Protected Conformation. mBio, 9(6), 11 Dec 2018. PubMed ID: 30538178.
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Haynes2012
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Kesavardhana2017
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Klein2013
Florian Klein, Ron Diskin, Johannes F. Scheid, Christian Gaebler, Hugo Mouquet, Ivelin S. Georgiev, Marie Pancera, Tongqing Zhou, Reha-Baris Incesu, Brooks Zhongzheng Fu, Priyanthi N. P. Gnanapragasam, Thiago Y. Oliveira, Michael S. Seaman, Peter D. Kwong, Pamela J. Bjorkman, and Michel C. Nussenzweig. Somatic Mutations of the Immunoglobulin Framework Are Generally Required for Broad and Potent HIV-1 Neutralization. Cell, 153(1):126-138, 28 Mar 2013. PubMed ID: 23540694.
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Kovacs2012
James M. Kovacs, Joseph P. Nkolola, Hanqin Peng, Ann Cheung, James Perry, Caroline A. Miller, Michael S. Seaman, Dan H. Barouch, and Bing Chen. HIV-1 Envelope Trimer Elicits More Potent Neutralizing Antibody Responses than Monomeric gp120. Proc. Natl. Acad. Sci. U.S.A., 109(30):12111-12116, 24 Jul 2012. PubMed ID: 22773820.
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Kreer2023
Christoph Kreer, Cosimo Lupo, Meryem S. Ercanoglu, Lutz Gieselmann, Natanael Spisak, Jan Grossbach, Maike Schlotz, Philipp Schommers, Henning Gruell, Leona Dold, Andreas Beyer, Armita Nourmohammad, Thierry Mora, Aleksandra M. Walczak, and Florian Klein. Probabilities of developing HIV-1 bNAb sequence features in uninfected and chronically infected individuals. Nat Commun, 14(1):7137 doi, Nov 2023. PubMed ID: 37932288
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Peter D. Kwong, John R. Mascola, and Gary J. Nabel. Rational Design of Vaccines to Elicit Broadly Neutralizing Antibodies to HIV-1. Cold Spring Harb. Perspect. Med., 1(1):a007278, Sep 2011. PubMed ID: 22229123.
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Li2012
Yuxing Li, Sijy O'Dell, Richard Wilson, Xueling Wu, Stephen D. Schmidt, Carl-Magnus Hogerkorp, Mark K. Louder, Nancy S. Longo, Christian Poulsen, Javier Guenaga, Bimal K. Chakrabarti, Nicole Doria-Rose, Mario Roederer, Mark Connors, John R. Mascola, and Richard T. Wyatt. HIV-1 Neutralizing Antibodies Display Dual Recognition of the Primary and Coreceptor Binding Sites and Preferential Binding to Fully Cleaved Envelope Glycoproteins. J. Virol., 86(20):11231-11241, Oct 2012. PubMed ID: 22875963.
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Liang2016
Yu Liang, Miklos Guttman, James A. Williams, Hans Verkerke, Daniel Alvarado, Shiu-Lok Hu, and Kelly K. Lee. Changes in Structure and Antigenicity of HIV-1 Env Trimers Resulting from Removal of a Conserved CD4 Binding Site-Proximal Glycan. J. Virol., 90(20):9224-9236, 15 Oct 2016. PubMed ID: 27489265.
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Liao2013c
Hua-Xin Liao, Chun-Yen Tsao, S. Munir Alam, Mark Muldoon, Nathan Vandergrift, Ben-Jiang Ma, Xiaozhi Lu, Laura L. Sutherland, Richard M. Scearce, Cindy Bowman, Robert Parks, Haiyan Chen, Julie H. Blinn, Alan Lapedes, Sydeaka Watson, Shi-Mao Xia, Andrew Foulger, Beatrice H. Hahn, George M. Shaw, Ron Swanstrom, David C. Montefiori, Feng Gao, Barton F. Haynes, and Bette Korber. Antigenicity and Immunogenicity of Transmitted/Founder, Consensus, and Chronic Envelope Glycoproteins of Human Immunodeficiency Virus Type 1. J. Virol., 87(8):4185-4201, Apr 2013. PubMed ID: 23365441.
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Liu2015a
Mengfei Liu, Guang Yang, Kevin Wiehe, Nathan I. Nicely, Nathan A. Vandergrift, Wes Rountree, Mattia Bonsignori, S. Munir Alam, Jingyun Gao, Barton F. Haynes, and Garnett Kelsoe. Polyreactivity and Autoreactivity among HIV-1 Antibodies. J. Virol., 89(1):784-798, Jan 2015. PubMed ID: 25355869.
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Liu2019
Qingbo Liu, Yen-Ting Lai, Peng Zhang, Mark K. Louder, Amarendra Pegu, Reda Rawi, Mangaiarkarasi Asokan, Xuejun Chen, Chen-Hsiang Shen, Gwo-Yu Chuang, Eun Sung Yang, Huiyi Miao, Yuge Wang, Anthony S. Fauci, Peter D. Kwong, John R. Mascola, and Paolo Lusso. Improvement of Antibody Functionality by Structure-Guided Paratope Engraftment. Nat. Commun., 10(1):721, 13 Feb 2019. PubMed ID: 30760721.
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Lyumkis2013
Dmitry Lyumkis, Jean-Philippe Julien, Natalia de Val, Albert Cupo, Clinton S. Potter, Per-Johan Klasse, Dennis R. Burton, Rogier W. Sanders, John P. Moore, Bridget Carragher, Ian A. Wilson, and Andrew B. Ward. Cryo-EM Structure of a Fully Glycosylated Soluble Cleaved HIV-1 Envelope Trimer. Science, 342(6165):1484-1490, 20 Dec 2013. PubMed ID: 24179160.
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Mannar2021
Dhiraj Mannar, Karoline Leopold, and Sriram Subramaniam. Glycan Reactive Anti-HIV-1 Antibodies bind the SARS-CoV-2 Spike Protein But Do Not Block Viral Entry. Sci. Rep., 11(1):12448, 14 Jun 2021. PubMed ID: 34127709.
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Meyerson2013
Joel R. Meyerson, Erin E. H. Tran, Oleg Kuybeda, Weizao Chen, Dimiter S. Dimitrov, Andrea Gorlani, Theo Verrips, Jeffrey D. Lifson, and Sriram Subramaniam. Molecular Structures of Trimeric HIV-1 Env in Complex with Small Antibody Derivatives. Proc. Natl. Acad. Sci. U.S.A., 110(2):513-518, 8 Jan 2013. PubMed ID: 23267106.
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Mishra2020
Nitesh Mishra, Shaifali Sharma, Ayushman Dobhal, Sanjeev Kumar, Himanshi Chawla, Ravinder Singh, Bimal Kumar Das, Sushil Kumar Kabra, Rakesh Lodha, and Kalpana Luthra. A Rare Mutation in an Infant-Derived HIV-1 Envelope Glycoprotein Alters Interprotomer Stability and Susceptibility to Broadly Neutralizing Antibodies Targeting the Trimer Apex. J. Virol., 94(19), 15 Sep 2020. PubMed ID: 32669335.
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Molinos-Albert2023
Luis M. Molinos-Albert, Eduard Baquero, Melanie Bouvin-Pley, Valerie Lorin, Caroline Charre, Cyril Planchais, Jordan D. Dimitrov, Valerie Monceaux, Matthijn Vos, Laurent Hocqueloux, Jean-Luc Berger, Michael S. Seaman, Martine Braibant, Veronique Avettand-Fenoel, Asier Saez-Cirion, and Hugo Mouquet. Anti-V1/V3-glycan broadly HIV-1 neutralizing antibodies in a post-treatment controller. Cell Host Microbe, 31(8):1275-1287e8 doi, Aug 2023. PubMed ID: 37433296
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Morgand2015
Marion Morgand, Mélanie Bouvin-Pley, Jean-Christophe Plantier, Alain Moreau, Elodie Alessandri, François Simon, Craig S. Pace, Marie Pancera, David D. Ho, Pascal Poignard, Pamela J. Bjorkman, Hugo Mouquet, Michel C. Nussenzweig, Peter D. Kwong, Daniel Baty, Patrick Chames, Martine Braibant, and Francis Barin. A V1V2 Neutralizing Epitope Is Conserved in Divergent Non-M Groups of HIV-1. J. Acquir. Immune Defic. Syndr., 21 Sep 2015. PubMed ID: 26413851.
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Moyo2018
Thandeka Moyo, June Ereño-Orbea, Rajesh Abraham Jacob, Clara E. Pavillet, Samuel Mundia Kariuki, Emily N. Tangie, Jean-Philippe Julien, and Jeffrey R. Dorfman. Molecular Basis of Unusually High Neutralization Resistance in Tier 3 HIV-1 Strain 253-11. J. Virol., 92(14), 15 Jul 2018. PubMed ID: 29618644.
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Pantophlet2010
Ralph Pantophlet. Antibody Epitope Exposure and Neutralization of HIV-1. Curr. Pharm. Des., 16(33):3729-3743, 2010. PubMed ID: 21128886.
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Prevost2018
Jérémie Prévost, Jonathan Richard, Shilei Ding, Beatriz Pacheco, Roxanne Charlebois, Beatrice H Hahn, Daniel E Kaufmann, and Andrés Finzi. Envelope Glycoproteins Sampling States 2/3 Are Susceptible to ADCC by Sera from HIV-1-Infected Individuals. Virology, 515:38-45, Feb 2018. PubMed ID: 29248757.
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Sanders2013
Rogier W. Sanders, Ronald Derking, Albert Cupo, Jean-Philippe Julien, Anila Yasmeen, Natalia de Val, Helen J. Kim, Claudia Blattner, Alba Torrents de la Peña, Jacob Korzun, Michael Golabek, Kevin de los Reyes, Thomas J. Ketas, Marit J. van Gils, C. Richter King, Ian A. Wilson, Andrew B. Ward, P. J. Klasse, and John P. Moore. A Next-Generation Cleaved, Soluble HIV-1 Env Trimer, BG505 SOSIP.664 gp140, Expresses Multiple Epitopes for Broadly Neutralizing but not Non-Neutralizing Antibodies. PLoS Pathog., 9(9):e1003618, Sep 2013. PubMed ID: 24068931.
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Schiffner2016
Torben Schiffner, Natalia de Val, Rebecca A. Russell, Steven W. de Taeye, Alba Torrents de la Peña, Gabriel Ozorowski, Helen J. Kim, Travis Nieusma, Florian Brod, Albert Cupo, Rogier W. Sanders, John P. Moore, Andrew B. Ward, and Quentin J. Sattentau. Chemical Cross-Linking Stabilizes Native-Like HIV-1 Envelope Glycoprotein Trimer Antigens. J. Virol., 90(2):813-828, 28 Oct 2015. PubMed ID: 26512083.
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Tomaras2011
Georgia D. Tomaras, James M. Binley, Elin S. Gray, Emma T. Crooks, Keiko Osawa, Penny L. Moore, Nancy Tumba, Tommy Tong, Xiaoying Shen, Nicole L. Yates, Julie Decker, Constantinos Kurt Wibmer, Feng Gao, S. Munir Alam, Philippa Easterbrook, Salim Abdool Karim, Gift Kamanga, John A. Crump, Myron Cohen, George M. Shaw, John R. Mascola, Barton F. Haynes, David C. Montefiori, and Lynn Morris. Polyclonal B Cell Responses to Conserved Neutralization Epitopes in a Subset of HIV-1-Infected Individuals. J. Virol., 85(21):11502-11519, Nov 2011. PubMed ID: 21849452.
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Tran2012
Erin E. H. Tran, Mario J. Borgnia, Oleg Kuybeda, David M. Schauder, Alberto Bartesaghi, Gabriel A. Frank, Guillermo Sapiro, Jacqueline L. S. Milne, and Sriram Subramaniam. Structural Mechanism of Trimeric HIV-1 Envelope Glycoprotein Activation. PLoS Pathog., 8(7):e1002797, 2012. PubMed ID: 22807678.
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Veillette2014
Maxime Veillette, Anik Désormeaux, Halima Medjahed, Nour-Elhouda Gharsallah, Mathieu Coutu, Joshua Baalwa, Yongjun Guan, George Lewis, Guido Ferrari, Beatrice H. Hahn, Barton F. Haynes, James E. Robinson, Daniel E. Kaufmann, Mattia Bonsignori, Joseph Sodroski, and Andres Finzi. Interaction with Cellular CD4 Exposes HIV-1 Envelope Epitopes Targeted by Antibody-Dependent Cell-Mediated Cytotoxicity. J. Virol., 88(5):2633-2644, Mar 2014. PubMed ID: 24352444.
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Walker2018
Laura M. Walker and Dennis R. Burton. Passive Immunotherapy of Viral Infections: `Super-Antibodies' Enter the Fray. Nat. Rev. Immunol., 18(5):297-308, May 2018. PubMed ID: 29379211.
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Wang2013
Wenbo Wang, Jianhui Nie, Courtney Prochnow, Carolyn Truong, Zheng Jia, Suting Wang, Xiaojiang S. Chen, and Youchun Wang. A Systematic Study of the N-Glycosylation Sites of HIV-1 Envelope Protein on Infectivity and Antibody-Mediated Neutralization. Retrovirology, 10:14, 2013. PubMed ID: 23384254.
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Watkins2011
Jennifer D. Watkins, Juan Diaz-Rodriguez, Nagadenahalli B. Siddappa, Davide Corti, and Ruth M. Ruprecht. Efficiency of Neutralizing Antibodies Targeting the CD4-Binding Site: Influence of Conformational Masking by the V2 Loop in R5-Tropic Clade C Simian-Human Immunodeficiency Virus. J Virol, 85(23):12811-12814, Dec 2011. PubMed ID: 21957314.
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West2012a
Anthony P. West, Jr., Ron Diskin, Michel C. Nussenzweig, and Pamela J. Bjorkman. Structural Basis for Germ-Line Gene Usage of a Potent Class of Antibodies Targeting the CD4-Binding Site of HIV-1 gp120. Proc. Natl. Acad. Sci. U.S.A., 109(30):E2083-E2090, 24 Jul 2012. PubMed ID: 22745174.
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West2013
Anthony P. West, Jr., Louise Scharf, Joshua Horwitz, Florian Klein, Michel C. Nussenzweig, and Pamela J. Bjorkman. Computational Analysis of Anti-HIV-1 Antibody Neutralization Panel Data to Identify Potential Functional Epitope Residues. Proc. Natl. Acad. Sci. U.S.A., 110(26):10598-10603, 25 Jun 2013. PubMed ID: 23754383.
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Wieczorek2023
Lindsay Wieczorek, Eric Sanders-Buell, Michelle Zemil, Eric Lewitus, Erin Kavusak, Jonah Heller, Sebastian Molnar, Mekhala Rao, Gabriel Smith, Meera Bose, Amy Nguyen, Adwitiya Dhungana, Katherine Okada, Kelly Parisi, Daniel Silas, Bonnie Slike, Anuradha Ganesan, Jason Okulicz, Tahaniyat Lalani, Brian K. Agan, Trevor A. Crowell, Janice Darden, Morgane Rolland, Sandhya Vasan, Julie Ake, Shelly J. Krebs, Sheila Peel, Sodsai Tovanabutra, and Victoria R. Polonis. Evolution of HIV-1 envelope towards reduced neutralization sensitivity, as demonstrated by contemporary HIV-1 subtype B from the United States. PLoS Pathog, 19(12):e1011780 doi, Dec 2023. PubMed ID: 38055771
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Wright2012
Elizabeth R. Wright and Paul W. Spearman. Unraveling the Structural Basis of HIV-1 Neutralization. Future Microbiol., 7(11):1251-1254, Nov 2012. PubMed ID: 23075444.
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Wu2011
Xueling Wu, Tongqing Zhou, Jiang Zhu, Baoshan Zhang, Ivelin Georgiev, Charlene Wang, Xuejun Chen, Nancy S. Longo, Mark Louder, Krisha McKee, Sijy O'Dell, Stephen Perfetto, Stephen D. Schmidt, Wei Shi, Lan Wu, Yongping Yang, Zhi-Yong Yang, Zhongjia Yang, Zhenhai Zhang, Mattia Bonsignori, John A. Crump, Saidi H. Kapiga, Noel E. Sam, Barton F. Haynes, Melissa Simek, Dennis R. Burton, Wayne C. Koff, Nicole A. Doria-Rose, Mark Connors, NISC Comparative Sequencing Program, James C. Mullikin, Gary J. Nabel, Mario Roederer, Lawrence Shapiro, Peter D. Kwong, and John R. Mascola. Focused Evolution of HIV-1 Neutralizing Antibodies Revealed by Structures and Deep Sequencing. Science, 333(6049):1593-1602, 16 Sep 2011. PubMed ID: 21835983.
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Wu2012
Xueling Wu, Charlene Wang, Sijy O'Dell, Yuxing Li, Brandon F. Keele, Zhongjia Yang, Hiromi Imamichi, Nicole Doria-Rose, James A. Hoxie, Mark Connors, George M. Shaw, Richard T. Wyatt, and John R. Mascola. Selection Pressure on HIV-1 Envelope by Broadly Neutralizing Antibodies to the Conserved CD4-Binding Site. J. Virol., 86(10):5844-5856, May 2012. PubMed ID: 22419808.
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Wu2015
Xueling Wu, Zhenhai Zhang, Chaim A. Schramm, M. Gordon Joyce, Young Do Kwon, Tongqing Zhou, Zizhang Sheng, Baoshan Zhang, Sijy O'Dell, Krisha McKee, Ivelin S. Georgiev, Gwo-Yu Chuang, Nancy S. Longo, Rebecca M. Lynch, Kevin O. Saunders, Cinque Soto, Sanjay Srivatsan, Yongping Yang, Robert T. Bailer, Mark K. Louder, NISC Comparative Sequencing Program, James C. Mullikin, Mark Connors, Peter D. Kwong, John R. Mascola, and Lawrence Shapiro. Maturation and Diversity of the VRC01-Antibody Lineage over 15 Years of Chronic HIV-1 Infection. Cell, 161(3):470-485, 23 Apr 2015. PubMed ID: 25865483.
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Zhang2013
Yu Zhang, Tingting Yuan, Jingjing Li, Yanyu Zhang, Jianqing Xu, Yiming Shao, Zhiwei Chen, and Mei-Yun Zhang. The Potential of the Human Immune System to Develop Broadly Neutralizing HIV-1 Antibodies: Implications for Vaccine Development. AIDS, 27(16):2529-2539, 23 Oct 2013. PubMed ID: 24100711.
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Zhou2013a
Tongqing Zhou, Jiang Zhu, Xueling Wu, Stephanie Moquin, Baoshan Zhang, Priyamvada Acharya, Ivelin S. Georgiev, Han R. Altae-Tran, Gwo-Yu Chuang, M. Gordon Joyce, Young Do Kwon, Nancy S. Longo, Mark K. Louder, Timothy Luongo, Krisha McKee, Chaim A. Schramm, Jeff Skinner, Yongping Yang, Zhongjia Yang, Zhenhai Zhang, Anqi Zheng, Mattia Bonsignori, Barton F. Haynes, Johannes F. Scheid, Michel C. Nussenzweig, Melissa Simek, Dennis R. Burton, Wayne C. Koff, NISC Comparative Sequencing Program, James C. Mullikin, Mark Connors, Lawrence Shapiro, Gary J. Nabel, John R. Mascola, and Peter D. Kwong. Multidonor Analysis Reveals Structural Elements, Genetic Determinants, and Maturation Pathway for HIV-1 Neutralization by VRC01-Class Antibodies. Immunity, 39(2):245-258, 22 Aug 2013. PubMed ID: 23911655.
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Zhu2013a
Jiang Zhu, Xueling Wu, Baoshan Zhang, Krisha McKee, Sijy O'Dell, Cinque Soto, Tongqing Zhou, Joseph P. Casazza, NISC Comparative Sequencing Program, James C. Mullikin, Peter D. Kwong, John R. Mascola, and Lawrence Shapiro. De Novo Identification of VRC01 Class HIV-1-Neutralizing Antibodies by Next-Generation Sequencing of B-Cell Transcripts. Proc. Natl. Acad. Sci. U.S.A., 110(43):E4088-E4097, 22 Oct 2013. PubMed ID: 24106303.
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Sengupta2023
Srona Sengupta, Josephine Zhang, Madison C. Reed, Jeanna Yu, Aeryon Kim, Tatiana N. Boronina, Nathan L. Board, James O. Wrabl, Kevin Shenderov, Robin A. Welsh, Weiming Yang, Andrew E. Timmons, Rebecca Hoh, Robert N. Cole, Steven G. Deeks, Janet D. Siliciano, Robert F. Siliciano, and Scheherazade Sadegh-Nasseri. A cell-free antigen processing system informs HIV-1 epitope selection and vaccine design. J Exp Med, 220(7):e20221654 doi, Jul 2023. PubMed ID: 37058141
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