>7m53_L mol:protein length:219 B6 antigen-binding (Fab) fragment light chainNIMMTQSPSSLAVSAGEKVTMSCKSSQSVLHSSDQKNYLAWYQQKPGQSPKLLIYWASTRESGVPDRFTGSGSGTDFTLTISSVQAEDLAVYFCHQYLSSYTFGGGTKLEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC