GLY 10 * ILE 12 * THR 13 * ARG 14 * ARG 15 * SER 17 * GLU 18 * ARG 34 * GLU 35 * SER 36 * GLU 37 * THR 38 * THR 39 * LYS 40 * ALA 42 * TYR 43 * CYS 44 * LEU 45 * SER 46 * LYS 59 * HIS 60 * TYR 61 * LYS 62 * ILE 63 * ARG 64 *