>12qd_B mol:protein length:218 CM12.1 Fab light chainDVVMTQSPVSLPVTLGQPASISCRSSQSLVHSDGKTYLNWLQQKPGQPPRRLIYQVSNRDSGVPDRFSGSGAGTDFTLKISRVEAEDVGVYYCMQGTHWPFTFGPGTKLDIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGE