>9ck4_B mol:protein length:107 L9 light chainDIQMTQSPSTLSASVGDRVTITCRASQFISRWLAWYQQKPGKAPKLLIYKASSLESGVPSRFSGSGSETHFTLTISSLQPDDVATYYCQEYTSYGRTFGQGTKVEIK