>3rvu_C mol:protein length:213 4C1 Fab - light chainQIVMTQSPFSMYATLGERVTITCKASQDIYSYLSWLQQKPGKSLKTLIYRANRLITGVPSRFSGSGSGQDYSLTISSLEYEDMGIYYCLQYDEFPYTFGGGTKLEMKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNE