>7FB8_1|Chain A[auth B]|ASP-ASP-LYS-ASP-CYS-ASP-GLU-TYR-CYS-LYS-LYS-THR-LYS-GLU-NH2|Escherichia virus M13 (1977402) DDKDCDEYCKKTKEX >7FB8_2|Chain B[auth A]|GLU-LE1-THR-GLY-HIS-ILE-GLU-GLY-PRO-THR-LE1-THR-LE1-HIS-CYS-LYS-NH2|Escherichia virus M13 (1977402) EXTGHIEGPTXTXHCKX