>2R5B_1|Chains A, B, C|gp41 N-peptide|synthetic construct (32630) XRMKQIEDKIEEIESKQKKIENEIARIKKLLQLTVWGIKQLQARILX >2R5B_2|Chains D[auth H], E[auth K], F[auth L]|HIV entry inhibitor PIE7|synthetic construct (32630) XKGACDYPEWQWLCAAX