>4nwu_H mol:protein length:242 APE1551 Ab Fab heavy chainQVQLVQSGAEVKKPGSSVKVSCKASGDTFSNYATGDTFSNYAISWVRQAPGQGFEWMGGIIPIFGTANYAQKFQGRVTITADESTSTAYMELSSLRSEDTAVYYCARGPEYYDYVWGSYRYNYFDYWGQGTLVTVSSGSASAPTLFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDK