AIDS-211974 AIDS211974 Human .beta.-defensin 2 NH2-Gly-Ile-Gly-Asp-Pro-Val-Thr-Cys(x3)-Leu-Lys-Ser-Gly-Ala-Ile-Cys(x2)-His-Pro-Val-Phe-Cys(x1)-Pro-Arg-Arg-Tyr-Lys-Gln-Ile-Gly-Thr-Cys(x2)-Gly-Leu-Pro-Gly-Thr-Lys-Cys(x3)-Cys(x1)-Lys-Lys-Pro-COOH