>4R4F_1|Chain A|HIV-1 Env gp120|Human immunodeficiency virus 1 (11676) MPMGSLQPLATLYLLGMLVASVLAVWKEATTTLFCASDAKAYDTEVHNVWATHACVPTDPNPQEVKLENVTENFNMWKNNMVEQMHEDIISLWDQSLKPCVKLTGGSVITQACPKVSFEPIPIHYCAPAGFAILKCNDKKFNGTGPCTNVSTVQCTHGIRPVVSTQLLLNGSLAEEEIVIRSENFTNNAKTIIVQLNESVVINCTRPNNGGSGSGGDIRQAHCNLSKTQWENTLEQIAIKLKEQFGNNKTIIFNPSSGGDPEIVTHSFNCGGEFFYCNSTQLFTWNDTRKLNNTGRNITLPCRIKQIINMWQEVGKAMYAPPIRGQIRCSSNITGLLLTRDGGKDTNGTEIFRPGGGDMRDNWRSELYKYKVVKIE >4R4F_2|Chain B[auth L]|Antibody 2.2c LIGHT CHAIN|Homo sapiens (9606) IQMTQSPSFVSASVGDRVTITCRASQGISSYLAWYQQKPGKAPKLVIYAASTLQSGVPSRFSGSGSGTEFTLTISSLQPEDFATYYCQHLIGLRSFGQGTKLEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNR >4R4F_3|Chain C[auth H]|Antibody 2.2c heavy CHAIN|Homo sapiens (9606) VQLQQWGAGLLKPSETLSLTCGVYGESLSGHYWSWVRQPPGKRLEWIGEIKHNGSPNYHPSLKSRVTISLDMSKNQFSLNLTSVTAADTAVYFCARRSNWPYLPFDPWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPK >4R4F_4|Chain D[auth R]|M48U1 peptide| XNLHFCQLRCKSLGLLGRCAPTXCACVX