>9b7u_L mol:protein length:109 Fab3-4 light chainTVVTQEPSFSVSPGGTVTLTCGLTSGSVSTSYYPSWYQQTPGQTPRTLIYSTNIRSSGVPDRFSGSILGNKAALTITGAQADDECDYYCVLYMGSGIWVFGGGTKLTVL