TRP 23 * VAL 27 * LEU 32 * PHE 37 * LEU 40 * GLU 42 * ASP 44 * LYS 45 * VAL 46 * LYS 47 * CYS 51 * GLY 52 * GLY 53 * GLY 54 * LEU 55 * THR 56 * ASP 57 * TRP 58 * LYS 59 * PRO 60 * SER 61 * GLU 62 * ASP 63 * PRO 64 * TRP 65 * GLU 66 * GLN 67 * HIS 68 * ALA 69 * LYS 70 * TRP 71 * TYR 72 * PRO 73 *