>3i50_H mol:protein length:221 murine heavy chain (IgG3) of E53 monoclonal antibody FabEVKLVESGGGLVLPGGSLRLSCATSGFTFTDYYMTWVRQPPGKALEWLGFIGNKANDYTTEYSASVKGRFTISRDDSQSILYLQMSTLRAEDRATYYCATVYGNYPYFDVWGVGTTVAVSSATTTAPSVYPLVPGCSDTSGSSVTLGCLVKGYFPEPVTVKWNYGALSSGVRTVSSVLQSGFYSLSSLVTVPSSTWPSQTVICNVAHPASKVDLIKEISGP