>4fo2_D mol:protein length:98 Heat-labile enterotoxin IIB, B chainGASQFFKDNCNRITASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRAKDYPDNVMTAEMRKIAMAAVLSGMRVNMCASPASSPNVIWAIELEA