>7m42_A mol:protein length:216 REGN10989 antibody Fab fragment light chainQSALTQPASVSGSPGQSITISCTGTSSDVGTYNYVSWYQQHPGKAPKLMIFDVSNRPSGVSDRFSGSKSGNTASLTISGLQAEDEADYYCSSFTTSSTVVFGGGTKLTVLGQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPTECS