>8H2R_1|Chains A, B, C, D, E|Heat-labile enterotoxin IIB, B chain|Escherichia coli (562) KDYPDNVMTAEMRKIAMAAVLSGMRVNMCASPASSPNVIWAIELEAEGSGSGASQFFKDNCNRTTASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRA