>6xpy_B mol:protein length:238 Fab heavy chainQVQLQESGPGLVKPSETLSLTCTVSGGSLSIYYWSWVRQSPGKGLEWIGYISNSGSPTYHPSLKSRVTISLDTSKSQFSLKLTSVTAADTALYFCARGVLEQLAPDFDSYYYGMNVWGQGTTVTVSGASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSCDKHHHHHH