>4fo2_B mol:protein length:98 Heat-labile enterotoxin IIB, B chainGASQFFKDNCNRITASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRAKDYPDNVMTAEMRKIAMAAVLSGMRVNMCASPASSPNVIWAIELEA