>9pzb_O mol:protein length:107 B1K Fab light chainDIQMTQSPSTLSASVGDRVTITCRASQSIGTSLAWYQQKPGKAPKLLLYMASTLEAGVPSRFSGGGSGTDFALTISSLQPDDFATYYCQHFDTYPYTFGRGTKVDIK