Title : Transfer of the HIV-1 cyclophilin-binding site to simian immunodeficiency virus from Macaca mulatta can confer both cyclosporin sensitivity and cyclosporin dependence.

Pub. Date : 1997 Sep 30

PMID : 9380739






6 Functional Relationships(s)
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Protein Name
Organism
1 HIV-1 specifically incorporates the peptidyl prolyl isomerase cyclophilin A (CyPA), the cytosolic receptor for the immunosuppressant cyclosporin A (CsA). Cyclosporine peptidylprolyl isomerase A Homo sapiens
2 HIV-1 specifically incorporates the peptidyl prolyl isomerase cyclophilin A (CyPA), the cytosolic receptor for the immunosuppressant cyclosporin A (CsA). Cyclosporine peptidylprolyl isomerase A Homo sapiens
3 HIV-1 replication is inhibited by CsA as well as by nonimmunosuppressive CsA analogues that bind to CyPA and interfere with its virion association. Cyclosporine peptidylprolyl isomerase A Homo sapiens
4 We report here that the transfer of HIV-1 CA residues 86-93, which form part of an exposed loop, to the corresponding position in SIVmac resulted in the efficient incorporation of CyPA and conferred an HIV-1-like sensitivity to a nonimmunosuppressive cyclosporin. Cyclosporine peptidylprolyl isomerase A Homo sapiens
5 By demonstrating that CyPA-binding-site residues can induce cyclosporin sensitivity in a heterologous context, this study provides direct in vivo evidence that the exposed loop between helices IV and V of HIV-1 CA not merely constitutes a docking site for CyPA but is a functional target of this cellular protein. Cyclosporine peptidylprolyl isomerase A Homo sapiens
6 By demonstrating that CyPA-binding-site residues can induce cyclosporin sensitivity in a heterologous context, this study provides direct in vivo evidence that the exposed loop between helices IV and V of HIV-1 CA not merely constitutes a docking site for CyPA but is a functional target of this cellular protein. Cyclosporine peptidylprolyl isomerase A Homo sapiens