>9btj_L mol:protein length:217 Fab 6561-a.01 light chainQPVVTQSPSASASLGASVKLTCTLGSGNTNYAIAWHQQQEGKAPRFLMRVESGGSHSKGDGIPHRFSGSSSGAERYLTISNLQSEDEADYFCQTWTTGTHVFGVGTKLTVLGQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPTECS