>8ecv_B mol:protein length:269 2F12 Fab Heavy chainQVQLRESGPSLVKPSQTLSLTCTVSGFSLSDKAVGWVRRAPGKALEWLGSIDTGGMTGYNPGLKSRLSITKDNSKSQVSLSVNSVTTEDSATYYCATVDQKTKNACPDDFDYRCSCIGGCGCARKGCVGPLCCRSDLGGYLTDSPAYIYEWYIDLWGQGLLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSC