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2oex

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|PDB= 2oex |SIZE=350|CAPTION= <scene name='initialview01'>2oex</scene>, resolution 2.58&Aring;
|PDB= 2oex |SIZE=350|CAPTION= <scene name='initialview01'>2oex</scene>, resolution 2.58&Aring;
|SITE=
|SITE=
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|LIGAND=
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|LIGAND= <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene>
|ACTIVITY=
|ACTIVITY=
|GENE= PDCD6IP, AIP1, ALIX, KIAA1375 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
|GENE= PDCD6IP, AIP1, ALIX, KIAA1375 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
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|DOMAIN=
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|RELATEDENTRY=[[2oev|2OEV]], [[2oew|2OEW]]
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2oex FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2oex OCA], [http://www.ebi.ac.uk/pdbsum/2oex PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2oex RCSB]</span>
}}
}}
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[[Category: coiled-coil]]
[[Category: coiled-coil]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 17:58:48 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 04:16:48 2008''

Revision as of 01:16, 31 March 2008

Image:2oex.gif


PDB ID 2oex

Drag the structure with the mouse to rotate
, resolution 2.58Å
Ligands:
Gene: PDCD6IP, AIP1, ALIX, KIAA1375 (Homo sapiens)
Related: 2OEV, 2OEW


Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



Structure of ALIX/AIP1 V Domain


Overview

ALIX/AIP1 functions in enveloped virus budding, endosomal protein sorting, and many other cellular processes. Retroviruses, including HIV-1, SIV, and EIAV, bind and recruit ALIX through YPX(n)L late-domain motifs (X = any residue; n = 1-3). Crystal structures reveal that human ALIX is composed of an N-terminal Bro1 domain and a central domain that is composed of two extended three-helix bundles that form elongated arms that fold back into a "V." The structures also reveal conformational flexibility in the arms that suggests that the V domain may act as a flexible hinge in response to ligand binding. YPX(n)L late domains bind in a conserved hydrophobic pocket on the second arm near the apex of the V, whereas CHMP4/ESCRT-III proteins bind a conserved hydrophobic patch on the Bro1 domain, and both interactions are required for virus budding. ALIX therefore serves as a flexible, extended scaffold that connects retroviral Gag proteins to ESCRT-III and other cellular-budding machinery.

About this Structure

2OEX is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Structural and biochemical studies of ALIX/AIP1 and its role in retrovirus budding., Fisher RD, Chung HY, Zhai Q, Robinson H, Sundquist WI, Hill CP, Cell. 2007 Mar 9;128(5):841-52. PMID:17350572

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