>7ufn_D mol:protein length:220 P3-21 Fab Light chainDIVMTQSPDSLAVSLGERATINCKSSQNILYSSNNKNYLAWYQQKPGQAPKLLIYWASTRESGVPDRFSGSGSGTDFTLTISSLQAEDVAVYYCHQYYSSPLTFGGGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC