AIDS-188899 AIDS188899 Ac-GNNKTIIFKQ SSGGDPEIVT HSFNCGGEFF YC-NH2 Ac-Gly-Asn-Asn-Lys-Thr-Ile-Ile-Phe-Lys-Gln-Ser-Ser-Gly-Gly-Asp-Pro-Glu-Ile-Val-Thr-His-Ser-Phe-Asn-Cys-Gly-Gly-Glu-Phe-Phe-Tyr-Cys-NH2 Residues 354-385 of gp120/gp41