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MAb ID BAT085 (BAT-085)
HXB2 Location gp160(171-180)
gp160 Epitope Map
Author Location gp120(170-180 IIIB)
Research Contact Tanox Biosystems Inc and David Ho, ADARC, NY
Epitope KEYAFFYKLD Epitope Alignment
KEYAFFYKLD epitope logo
Ab Type gp120 V2 // V2 glycan(V2g) // V2 apex
Neutralizing L
Species (Isotype) mouse(IgG1)
Immunogen vaccine

Vaccine Details

Vaccine type inactivated HIV
Vaccine strain B clade IIIB
Vaccine component HIV-1


Showing 13 of 13 notes.


Showing 18 of 18 references.

Isolation Paper
Fung1992 M. S. C. Fung, C. R. Y. Sun, W. L. Gordon, R.-S. Liou, T. W. Chang, W. N. C. Sun, E. S. Daar, and D. D. Ho. Identification and characterization of a neutralization site within the second variable region of human immunodeficiency virus type 1 gp120. J. Virol., 66:848-856, 1992. Two anti-envelope V2 antibodies were raised that neutralize virus in either a conformation dependent (G3-136) or conformation independent (BAT085) manner. G3-136 has diminished reactivity with deglycosylation or DTT reduced gp120, and sCD4 inhibits binding in a competition assay; BAT085 is not sensitive to these alterations in gp120. PubMed ID: 1370558. Show all entries for this paper.

Binley1997 J. M. Binley, H. Arshad, T. R. Fouts, and J. P. Moore. An investigation of the high avidity antibody response to gp120 of human immunodeficiency virus type 1. AIDS Res. Hum. Retroviruses, 13:1007-1015, 1997. PubMed ID: 9264287. Show all entries for this paper.

Ditzel1997 H. J. Ditzel, P. W. Parren, J. M. Binley, J. Sodroski, J. P. Moore, C. F. Barbas, III, and D. R. Burton. Mapping the Protein Surface of Human Immunodeficiency Virus Type 1 gp120 Using Human Monoclonal Antibodies from Phage Display Libraries. J. Mol. Biol., 267:684-695, 1997. (Genbank: U82767 U82768 U82769 U82770 U82771 U82772 U82942 U82943 U82944 U82945 U82946 U82947 U82948 U82949 U82950 U82951 U82952 U82961 U82962) Recombinant monoclonal antibodies from phage display libraries provide a method for Env surface epitope mapping. Diverse epitopes are accessed by presenting gp120 to the library in different forms, such as sequential masking of epitopes with existing MAbs or sCD4 prior to selection or by selection on peptides. Fabs identified by these methods have specificities associated with epitopes presented poorly on native multimeric envelope. PubMed ID: 9126846. Show all entries for this paper.

DSouza1994 M. P. D'Souza, S. J. Geyer, C. V. Hanson, R. M. Hendry, G. Milman, and Collaborating Investigators. Evaluation of Monoclonal Antibodies to HIV-1 Envelope by Neutralization and Binding Assays: An International Collaboration. AIDS, 8:169-181, 1994. PubMed ID: 7519019. Show all entries for this paper.

Fung1987 M. S. C. Fung, C. R. Y. Sun, N.-C. Sun, N. T. Chang, and T.-W. Chang. Monoclonal Antibodies That Neutralize HIV-1 Virions and Inhibit Syncytium Formation by Infected Cells. Biotechnology, 5:940-947, 1987. Show all entries for this paper.

Gorny1994 M. K. Gorny, J. P. Moore, A. J. Conley, S. Karwowska, J. Sodroski, C. Williams, S. Burda, L. J. Boots, and S. Zolla-Pazner. Human Anti-V2 Monoclonal Antibody That Neutralizes Primary but Not Laboratory Isolates of Human Immunodeficiency Virus Type 1. J. Virol., 68:8312-8320, 1994. Detailed characterization of the MAb 697-D. PubMed ID: 7525987. Show all entries for this paper.

Kanduc2008 Darja Kanduc, Rosario Serpico, Alberta Lucchese, and Yehuda Shoenfeld. Correlating Low-Similarity Peptide Sequences and HIV B-Cell Epitopes. Autoimmun. Rev., 7(4):291-296, Feb 2008. PubMed ID: 18295732. Show all entries for this paper.

Moore1993a J. P. Moore and D. D. Ho. Antibodies to discontinuous or conformationally sensitive epitopes on the gp120 glycoprotein of human immunodeficiency virus type 1 are highly prevalent in sera of infected humans. J. Virol., 67:863-875, 1993. CD4BS antibodies are prevalent in HIV-1-positive sera, while neutralizing MAbs to C4, V2, and V3 and MAbs to linear epitopes are less common. Most linear epitope MAbs in human sera are directed against the V3 region, and cross-reactive MAbs tend to be directed against discontinuous epitopes. PubMed ID: 7678308. Show all entries for this paper.

Moore1993b J. P. Moore, Q. J. Sattentau, H. Yoshiyama, M. Thali, M. Charles, N. Sullivan, S.-W. Poon, M. S. Fung, F. Traincard, M. Pinkus, G. Robey, J. E. Robinson, D. D. Ho, and J. Sodroski. Probing the Structure of the V2 Domain of Human Immunodeficiency Virus Type 1 Surface Glycoprotein gp120 with a Panel of Eight Monoclonal Antibodies: Human Immune Response to the V1 and V2 domains. J. Virol., 67:6136-6151, 1993. PubMed ID: 7690418. Show all entries for this paper.

Moore1994c J. P. Moore, R. L. Willey, G. K. Lewis, J. Robinson, and J. Sodroski. Immunological evidence for interactions between the first, second and fifth conserved domains of the gp120 surface glycoprotein of human immunodeficiency virus type 1. J. Virol., 68:6836-6847, 1994. Mutation 267N/Q in C2 region results in exposing the carboxy-terminal end gp120. PubMed ID: 7933065. Show all entries for this paper.

Moore1996 J. P. Moore and J. Sodroski. Antibody cross-competition analysis of the human immunodeficiency virus type 1 gp120 exterior envelope glycoprotein. J. Virol., 70:1863-1872, 1996. 46 anti-gp120 monomer MAbs were used to create a competition matrix, and MAb competition groups were defined. The data suggests that there are two faces of the gp120 glycoprotein: a face occupied by the CD4BS, which is presumably also exposed on the oligomeric envelope glycoprotein complex, and a second face which is presumably inaccessible on the oligomer and interacts with a number of nonneutralizing antibodies. PubMed ID: 8627711. Show all entries for this paper.

Parren1998 P. W. Parren, I. Mondor, D. Naniche, H. J. Ditzel, P. J. Klasse, D. R. Burton, and Q. J. Sattentau. Neutralization of human immunodeficiency virus type 1 by antibody to gp120 is determined primarily by occupancy of sites on the virion irrespective of epitope specificity. J. Virol., 72:3512-9, 1998. The authors propose that the occupancy of binding sites on HIV-1 virions is the major factor in determining neutralization, irrespective of epitope specificity. Neutralization was assayed T-cell-line-adapted HIV-1 isolates. Binding of Fabs to monomeric rgp120 was not correlated with binding to functional oligomeric gp120 or neutralization, while binding to functional oligomeric gp120 was highly correlated with neutralization. The ratios of oligomer binding/neutralization were similar for antibodies to different neutralization epitopes, with a few exceptions. PubMed ID: 9557629. Show all entries for this paper.

Pirofski1993 L.-A. Pirofski, E. K. Thomas, and M. D. Scharff. Variable region gene utilization and mutation in a group of neutralizing murine anti-human immunodeficiency virus type 1 principal neutralizing determinant antibodies. AIDS Res. Hum. Retroviruses, 9:41-49, 1993. Observed restricted subset of murine V heavy and light chain gene elements in a set of 5 antibodies that bind to the tip of the V3 loop. PubMed ID: 7678971. Show all entries for this paper.

Poignard1996b P. Poignard, T. Fouts, D. Naniche, J. P. Moore, and Q. J. Sattentau. Neutralizing antibodies to human immunodeficiency virus type-1 gp120 induce envelope glycoprotein subunit dissociation. J. Exp. Med., 183:473-484, 1996. Binding of Anti-V3 and the CD4I neutralizing MAbs induces shedding of gp120 on cells infected with the T-cell line-adapted HIV-1 molecular clone Hx10. This was shown by significant increases of gp120 in the supernatant, and exposure of a gp41 epitope that is masked in the oligomer. MAbs binding either to the V2 loop or to CD4BS discontinuous epitopes do not induce gp120 dissociation. This suggests HIV neutralization probably is caused by several mechanisms, and one of the mechanisms may involve gp120 dissociation. PubMed ID: 8627160. Show all entries for this paper.

Sattentau1995a Q. J. Sattentau and J. P. Moore. Human immunodeficiency virus type 1 neutralization is determined by epitope exposure on the gp120 oligomer. J. Exp. Med., 182:185-196, 1995. This study suggests that antibodies specific for one of five different binding regions on gp120 are associated with viral neutralization: V2, V3, C4, the CD4 binding site, and a complex discontinuous epitope that does not interfere with CD4 binding. Kinetic binding properties of a set of MAbs that bind to these regions were studied, analyzing binding to both functional oligomeric LAI gp120 and soluble monomeric LAI BH10 gp120; neutralization ID$_50$s were also evaluated. It was found that the neutralization ID$_50$s was related to the ability to bind oligomeric, not monomeric, gp120, and concluded that with the exception of the V3 loop, regions of gp120 that are immunogenic will be poorly presented on cell-line-adapted virions. Further, the association rate, estimated as the t$_1/2$ to reach equilibrium binding to multimeric, virion associated, gp120, appears to be a major factor relating to affinity and potency of the neutralization response to cell-line-adapted virus. PubMed ID: 7540648. Show all entries for this paper.

Thali1993 M. Thali, J. P. Moore, C. Furman, M. Charles, D. D. Ho, J. Robinson, and J. Sodroski. Characterization of Conserved Human Immunodeficiency Virus Type 1 gp120 Neutralization Epitopes Exposed upon gp120-CD4 Binding. J. Virol., 67:3978-3988, 1993. Five regions are likely to contribute to the 48d and 17b discontinuous epitopes, either directly or through local conformational effects: the hydrophobic ring-like structure formed by the disulfide bond that links C3 and C4, the base of the stem-loop that contains V1 and V2, and the hydrophobic region in C2 from Arg 252 to Asp 262. Additionally changes in Glu 370, and Met 475 in C5, affected binding and neutralization. The hydrophobic character of these critical regions is consistent with the limited exposure on gp120 prior to CD4 binding. PubMed ID: 7685405. Show all entries for this paper.

Wu1995 Z. Wu, S. C. Kayman, W. Honnen, K. Revesz, H. Chen, S. V. Warrier, S. A. Tilley, J. McKeating, C. Shotton, and A. Pinter. Characterization of Neutralization Epitopes in the V2 Region of Human Immunodeficiency Virus Type 1 gp120: Role of Glycosylation in the Correct Folding of the V1/V2 Domain. J. Virol., 69:2271-2278, 1995. Most epitopes based only on numbering. PubMed ID: 7533854. Show all entries for this paper.

Yoshiyama1994 H. Yoshiyama, H.-M. Mo, J. P. Moore, and D. D. Ho. Characterization of Mutants of Human Immunodeficiency Virus Type 1 That Have Escaped Neutralization by Monoclonal Antibody G3-4 to the gp120 V2 Loop. J. Virol., 68:974-978, 1994. MAb G3-4 binds a conformationally sensitive epitope in the V2 loop of HIV-1 RF. RF was cultured in the presence of G3-4 to select for neutralization resistance. Three independent experiments yielded escape mutants, and sequencing revealed two V2 mutations to be responsible for the neutralization escape phenotype, 177 Y/H and 179 L/P. Experimental introduction of the 179 P substitution resulted in non-viable virus, and 177 H confirmed the resistance phenotype. PubMed ID: 7507188. Show all entries for this paper.

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