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| [[Image:1aik.gif|left|200px]] | | {{Seed}} |
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| {{STRUCTURE_1aik| PDB=1aik | SCENE= }} | | {{STRUCTURE_1aik| PDB=1aik | SCENE= }} |
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| '''HIV GP41 CORE STRUCTURE'''
| | ===HIV GP41 CORE STRUCTURE=== |
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| ==Overview==
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| The envelope glycoprotein of human immunodeficiency virus type 1 (HIV-1) consists of a complex of gp120 and gp41. gp120 determines viral tropism by binding to target-cell receptors, while gp41 mediates fusion between viral and cellular membranes. Previous studies identified an alpha-helical domain within gp41 composed of a trimer of two interacting peptides. The crystal structure of this complex, composed of the peptides N36 and C34, is a six-helical bundle. Three N36 helices form an interior, parallel coiled-coil trimer, while three C34 helices pack in an oblique, antiparallel manner into highly conserved, hydrophobic grooves on the surface of this trimer. This structure shows striking similarity to the low-pH-induced conformation of influenza hemagglutinin and likely represents the core of fusion-active gp41. Avenues for the design/discovery of small-molecule inhibitors of HIV infection are directly suggested by this structure.
| | The line below this paragraph, {{ABSTRACT_PUBMED_9108481}}, adds the Publication Abstract to the page |
| | (as it appears on PubMed at http://www.pubmed.gov), where 9108481 is the PubMed ID number. |
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| | {{ABSTRACT_PUBMED_9108481}} |
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| ==About this Structure== | | ==About this Structure== |
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| [[Category: Hiv]] | | [[Category: Hiv]] |
| [[Category: Retrovirus]] | | [[Category: Retrovirus]] |
| ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 10:18:54 2008'' | | |
| | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 16:55:31 2008'' |