AIDS-188889 AIDS188889 Ac-CASDAKAYDT EVHNVWATHA CVPTDPNPQE-NH2 Ac-Cys-Ala-Ser-Asp-Ala-Lys-Ala-Tyr-Asp-Thr-Glu-Val-His-Asn-Val-Trp-Ala-Thr-His-Ala-Cys-Val-Pro-Thr-Asp-Pro-Asn-Pro-Gln-Glu-NH2 Residues 54-83 of gp120/gp41