>3qeh_D mol:protein length:218 Fab fragment of human anti-HIV-1 Env antibody N12-i15,light chainDIVMTQSPLSLPVTPGEAASISCRSSQSLLHTNGFQYLDWYLQKPGQSPQLLIYLGSNRATGVPHRFSGSGSGTEFTLKISRVEAEDVGVYYCMQAKESPTFGQGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC