>3j6u_L mol:protein length:118 Fab 5J7 light chainWVPGVHSDIQMTQSPSSLSASVGDRVTITCRASQSISRYLNWYQREPGKAPKLLIYGASSLQRGVPSRFSGSGSGTDFTLTISSLQPEDFATYYCQQSQYIPYTFGQGTKVDIKRTVA