TABLE 1.

List of antibodies used in this study

Antibody	Biological source	Source	Description	References
17b	Human MAb	J. E. Robinson, Tulane University	Binds the gp120 bridging sheet, as determined by X-ray structure determination	18, 38
21c	Human MAb	J. E. Robinson	Binds a hybrid epitope comprised of gp120 and CD4, as determined by X-ray structure determination	23, 39
19e	Human MAb	J. E. Robinson	Specific for the gp120-CD4 complex	42, 43
N12-i15	Human MAb	Institute of Human Virology	Specific for the gp120-CD4 complex	41, 65
CG10	Murine MAb	Tel Aviv University	Specific for the gp120-CD4 complex; a chimeric human version of this MAb was produced and used as part of this study	44–46