>8U5E_1|Chains A, B, C, D|Heat-labile enterotoxin B chain|Clostridium perfringens (1502) GGGGSGGGGSGGGLVPRGSDIEKEILDLAAATERLNLTDALNSNPAGNLYDWRSSNSYPWTQKLNLHLTITATGQKYRILASKIVDFNIYSNNFNNLVKLEQSLGDGVKDHYVDISLDAGQYVLVMKANSSYSGNYPYSILFQKF