Article
Rapid progression to simian AIDS can be accompanied by selection of CD4-independent gp120 variants with impaired ability to bind CD4.
Journal of virology - 1 Aug 2002
Ryzhova Elena, Whitbeck J Charles, Canziani Gabriela, Westmoreland Susan V, Cohen Gary H, Eisenberg Roselyn J, Lackner Andrew, González-Scarano Francisco
Abstract excerpt
Aspartate 368 on human immunodeficiency virus type 1 (HIV-1) gp120 forms multiple contacts with CD4; in mutagenesis studies, its replacement by asparagine and corresponding changes in simian immunodeficiency virus SIVmac (D385N) reduced binding with CD4. Nevertheless, simian immunodeficiency virus envelopes with D385N were prevalent in several studies. Extending these observations, we also found D385N to be...
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