>4XC1_1|Chain A[auth L]|4E10 FAB LIGHT CHAIN|Homo sapiens (9606) EIVLTQSPGTQSLSPGERATLSCRASQSVGNNKLAWYQQRPGQAPRLLIYGASSRPSGVADRFSGSGSGTDFTLTISRLEPEDFAVYYCQQYGQSLSTFGQGTKVEVKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC >4XC1_2|Chain B[auth H]|4E10 FAB HEAVY CHAIN|Homo sapiens (9606) QVQLVQSGAEVKRPGSSVTVSCKASGGSFSTYALSWVRQAPGRGLEWMGGVIPLLTITNYAPRFQGRITITADRSTSTAYLELNSLRPEDTAVYYCAREGTTGWGWLGKPIGAFAHWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSC >4XC1_3|Chain C[auth P]|MODIFIED FRAGMENT OF HIV-1 GLYCOPROTEIN (GP41) INCLUDING THE MPER REGION 671-683|Human immunodeficiency virus 1 (11676) NWXDITNWLWYIKKKK