>3j2x_F mol:protein length:217 m242 heavy chainQVQLQQSGPELVKPGVSVKISCKASGYSFTSFYIYWVKQRPGQGLEWIGWIFPGSTNTKYNEKFKGKATLTADTSSSTASMQLSSLTSEDSAVYFCARVDGYAMDYWGQGTSVTVSSAKTTAPSVYPLAPVCGDTTGSSVTLGCLVKGYFPEPVTLTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVTSSTWPSQSITCNVAHPASSTKVDKKIEPR