>7PRP_1|Chains A[auth DDD], B[auth EEE], C[auth FFF], D[auth GGG], E[auth HHH]|Heat-labile enterotoxin IIA, B chain|Escherichia coli (562) GVSKTFKDKCASTTAKLVQSVQLVNISSDVNKDSKGIYISSSAGKTWFIPGGQYYPDNYLSNEMRKIAMAAVLSNVRVNLCASEAYTPNHVWAIELAPHHHHHH