>4xx1_O mol:protein length:213 Fab1 light chainSYELTQPPSVSVSPGQTASITCSGDKLGNKFTSWYQRKPGQSPVLVIYQDTKRPSGIPERFSGSTSGNTATLTISGTQAMDEADYYCQAWDSSTAWVFGGGTKLEVLGQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHKSYSCQVTHEGSTVEKTVAPTECS