>8fja_D mol:protein length:214 REGN6972 Fab light chainDIQMTQSPSSLSASVGDRVTITCQASQDISNYLNWYQQKRGKAPKLLIYDASILETGVPSRFSGSGSGTDFTFTISSLQPEDIATYFCQQFDNVPLTFGGGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC