>4fo2_L mol:protein length:98 Heat-labile enterotoxin IIB, B chainGASQFFKDNCNRITASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRAKDYPDNVMTAEMRKIAMAAVLSGMRVNMCASPASSPNVIWAIELEA