>5w23_I mol:protein length:249 5C4 Fab heavy chainMRPTWAWWLFLVLLLALWAPARGEVQLQQSGAELVKPGASVKLSCTASGFNIKDTFFHWVKQRPEQGLEWIGRIDPADGHTKYDPKFQGKATITADTSSNTAFLQLSSLTSVDTAVYYCATTITAVVPTPYNAMDYWGQGTSVTVSSASTTAPSVYPLAPVCGGTTGSSVTLGCLVKGYFPEPVTLTWNSGSLSSGVHTFPALLQSGLYTLSSSVTVTSNTWPSQTITCNVAHPASSTKVDKKIEPRVP