>4plj_D mol:protein length:229 8G12 heavy chainQLQQSGPELVKPGASVKISCKASGYTFTDFNMHWVKQSHGKSLEWIGYIYPYNGITGQNQKFKSKATLTVDNSSSSAYMELRSLTSEDSAVYYCARERFGVGNNYAWFTYWGQGTLVTVSSAKTTPPSVYPLAPGPVSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIVPRDCTSKP