>9mk4_D mol:protein length:209 12A01 Fab light chainVSVLTQSPGTLSLSPGERATLSCRASQTVGSSYLAWYQQKPGQAPRLLIYGASSRATGIPDRFSGSGSGTDFTLTISRLEPEDFAVYYCQQYEAFGQGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTQGTTSVTKSFNRGEC