Journal of Virology, September 2001, p. 8859-8863, Vol. 75, No. 18
0022-538X/01/$04.00+0 DOI: 10.1128/JVI.75.18.8859-8863.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Office of Vaccines, Center for Biologics Evaluation and Research (CBER), Food and Drug Administration (FDA),1 and Protein Expression Laboratory, National Institute of Arthritis and Musculosketal and Skin Diseases, National Institutes of Health,2 Bethesda, and Panacos Pharmaceuticals, Gaithersburg,3 Maryland
Received 23 March 2001/Accepted 18 June 2001
Two heptad repeat regions in the ectodomain of the human immunodeficiency virus type 1 (HIV-1) transmembrane subunit (gp41) self-assemble into a six-helix bundle structure that is critical for virus entry. Immunizations with peptides corresponding to these regions generated antibodies specific to the receptor-activated conformations of gp41.
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