>4fp5_D mol:protein length:98 Heat-labile enterotoxin IIB, B chainGASQFFKDNCNRTTASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRAKDYPDNVMTAEMRKIAMAAVLAGMRVNMCASPASSPNVIWAIELEA