>8u5d_B mol:protein length:145 Heat-labile enterotoxin B chainGGGGSGGGGSGGGLVPRGSDIEKEILDLAAATERLNLTDALNSNPAGNLYDWRSSNSYPWTQKLNLHLTITATGQKYRILASKIVDFNIYSNNFNNLVKLEQSLGDGVKDHYVDISLDAGQYVLVMKANSSYSGNYPYSILFQKF