>5lzi_E mol:protein length:103 Heat-labile enterotoxin B chainAPQTITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGETFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMKN