>9exa_D mol:protein length:213 Fab-B heavy chainEVQLQQSGPELVKPGASMKISCKTSGYSFTGYTMNWVKQSHGKNLEWIGLINPYNGDTSYNQKFKGKATLTVDKSSSTAYMELLSLTSEDSAVYYCEVINTYWGQGTLVTVSAAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIVPR