>9mk4_L mol:protein length:209 12A01 Fab light chainVSVLTQSPGTLSLSPGERATLSCRASQTVGSSYLAWYQQKPGQAPRLLIYGASSRATGIPDRFSGSGSGTDFTLTISRLEPEDFAVYYCQQYEAFGQGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTQGTTSVTKSFNRGEC