>5vn3_M mol:protein length:229 17b Fab heavy chainQVQLLESGAEVKKPGSSVKVSCKASGDTFIRYSFTWVRQAPGQGLEWMGRIITILDVAHYAPHLQGRVTITADKSTSTVYLELRNLRSDDTAVYFCAGVYEGEADEGEYDNNGFLKHWGQGTLVTVTSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPK