>5u3k_A mol:protein length:232 DH511.2 Fab Heavy ChainQVQLVQSGGGLVKPGGSLTLSCSASGFFFDNSWMGWVRQAPGKGLEWVGRIRRLKDGATGEYGAAVKDRFTISRDDSRNMLYLHMRTLKTEDSGTYYCTMDEGTPVTRFLEWGYFYYYMAVWGRGTTVIVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEP