2r03

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|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=[[2r02|2R02]], [[2r05|2R05]]
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2r03 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2r03 OCA], [http://www.ebi.ac.uk/pdbsum/2r03 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2r03 RCSB]</span>
}}
}}
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[[Category: zinc-finger]]
[[Category: zinc-finger]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 18:31:18 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 04:55:07 2008''

Revision as of 01:55, 31 March 2008

Image:2r03.jpg


PDB ID 2r03

Drag the structure with the mouse to rotate
, resolution 2.590Å
Gene: PDCD6IP, AIP1, ALIX, KIAA1375 (Homo sapiens)
Related: 2R02, 2R05


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



Crystal Structure of ALIX/AIP1 in complex with the YPDL Late Domain


Overview

Retrovirus budding requires short peptide motifs (late domains) located within the viral Gag protein that function by recruiting cellular factors. The YPX(n)L late domains of HIV and other lentiviruses recruit the protein ALIX (also known as AIP1), which also functions in vesicle formation at the multivesicular body and in the abscission stage of cytokinesis. Here, we report the crystal structures of ALIX in complex with the YPX(n)L late domains from HIV-1 and EIAV. The two distinct late domains bind at the same site on the ALIX V domain but adopt different conformations that allow them to make equivalent contacts. Binding studies and functional assays verified the importance of key interface residues and revealed that binding affinities are tuned by context-dependent effects. These results reveal how YPX(n)L late domains recruit ALIX to facilitate virus budding and how ALIX can bind YPX(n)L sequences with both n = 1 and n = 3.

About this Structure

2R03 is a Protein complex structure of sequences from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Structural and functional studies of ALIX interactions with YPX(n)L late domains of HIV-1 and EIAV., Zhai Q, Fisher RD, Chung HY, Myszka DG, Sundquist WI, Hill CP, Nat Struct Mol Biol. 2008 Jan;15(1):43-9. Epub 2007 Dec 9. PMID:18066081

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