>7upy_L mol:protein length:213 SP1-77 Fab light chainDIQMTQSPSSLSASVGDRVTITCQASQDISDYLNWYQQQPGKAPKLLIYDASNLETGVPSRFSGSGSGTDFTFTISSLQPEDIGTYYCQQYDNLPTFGGGTKLEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC