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==Crystal Structure of S.cerevisiae Vps4==
The line below this paragraph, containing "STRUCTURE_2qp9", creates the "Structure Box" on the page.
<StructureSection load='2qp9' size='340' side='right'caption='[[2qp9]], [[Resolution|resolution]] 2.90&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)  
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[2qp9]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QP9 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2QP9 FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.9&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CD:CADMIUM+ION'>CD</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
{{STRUCTURE_2qp9| PDB=2qp9 |  SCENE= }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2qp9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qp9 OCA], [https://pdbe.org/2qp9 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2qp9 RCSB], [https://www.ebi.ac.uk/pdbsum/2qp9 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2qp9 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/VPS4_YEAST VPS4_YEAST] Involved in the transport of biosynthetic membrane proteins from the prevacuolar/endosomal compartment to the vacuole. Required for multivesicular body (MVB) protein sorting. Catalyzes the ATP-dependent dissociation of class E VPS proteins from endosomal membranes, such as the disassembly of the ESCRT-III complex.<ref>PMID:11329380</ref> <ref>PMID:9155008</ref> <ref>PMID:9606181</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/qp/2qp9_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2qp9 ConSurf].
<div style="clear:both"></div>


'''Crystal Structure of S.cerevisiae Vps4'''
==See Also==
 
*[[Vacuolar protein sorting-associated protein 3D structures|Vacuolar protein sorting-associated protein 3D structures]]
 
== References ==
==Overview==
<references/>
The multivesicular body (MVB) pathway functions in multiple cellular processes including cell surface receptor down-regulation and viral budding from host cells. An important step in the MVB pathway is the correct sorting of cargo molecules, which requires the assembly and disassembly of endosomal sorting complexes required for transport (ESCRTs) on the endosomal membrane. Disassembly of the ESCRTs is catalyzed by ATPase associated with various cellular activities (AAA) protein Vps4. Vps4 contains a single AAA domain and undergoes ATP-dependent quaternary structural change to disassemble the ESCRTs. Structural and biochemical analyses of the Vps4 ATPase reaction cycle are reported here. Crystal structures of Saccharomyces cerevisiae Vps4 in both the nucleotide-free form and the ADP-bound form provide the first structural view illustrating how nucleotide binding might induce conformational changes within Vps4 that lead to oligomerization and binding to its substrate ESCRT-III subunits. In contrast to previous models, characterization of the Vps4 structure now supports a model where the ground state of Vps4 in the ATPase reaction cycle is predominantly a monomer and the activated state is a dodecamer. Comparison with a previously reported human VPS4B structure suggests that Vps4 functions in the MVB pathway via a highly conserved mechanism supported by similar protein-protein interactions during its ATPase reaction cycle.
__TOC__
 
</StructureSection>
==About this Structure==
[[Category: Large Structures]]
2QP9 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QP9 OCA].
 
==Reference==
Structural characterization of the ATPase reaction cycle of endosomal AAA protein Vps4., Xiao J, Xia H, Yoshino-Koh K, Zhou J, Xu Z, J Mol Biol. 2007 Nov 30;374(3):655-70. Epub 2007 Sep 29. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17949747 17949747]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Single protein]]
[[Category: Xiao J]]
[[Category: Xiao, J.]]
[[Category: Xu Z]]
[[Category: Xu, Z.]]
[[Category: Atp-binding]]
[[Category: Atpase domain]]
[[Category: Beta domain]]
[[Category: C-terminal helix]]
[[Category: Endosome]]
[[Category: Nucleotide-binding]]
[[Category: Protein transport]]
[[Category: Transport]]
[[Category: Vacuole]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May  4 15:21:24 2008''

Latest revision as of 12:17, 21 February 2024

Crystal Structure of S.cerevisiae Vps4Crystal Structure of S.cerevisiae Vps4

Structural highlights

2qp9 is a 1 chain structure with sequence from Saccharomyces cerevisiae. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.9Å
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

VPS4_YEAST Involved in the transport of biosynthetic membrane proteins from the prevacuolar/endosomal compartment to the vacuole. Required for multivesicular body (MVB) protein sorting. Catalyzes the ATP-dependent dissociation of class E VPS proteins from endosomal membranes, such as the disassembly of the ESCRT-III complex.[1] [2] [3]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

References

  1. ↑ Zahn R, Stevenson BJ, Schroder-Kohne S, Zanolari B, Riezman H, Munn AL. End13p/Vps4p is required for efficient transport from early to late endosomes in Saccharomyces cerevisiae. J Cell Sci. 2001 May;114(Pt 10):1935-47. PMID:11329380
  2. ↑ Babst M, Sato TK, Banta LM, Emr SD. Endosomal transport function in yeast requires a novel AAA-type ATPase, Vps4p. EMBO J. 1997 Apr 15;16(8):1820-31. PMID:9155008 doi:10.1093/emboj/16.8.1820
  3. ↑ Babst M, Wendland B, Estepa EJ, Emr SD. The Vps4p AAA ATPase regulates membrane association of a Vps protein complex required for normal endosome function. EMBO J. 1998 Jun 1;17(11):2982-93. PMID:9606181 doi:10.1093/emboj/17.11.2982

2qp9, resolution 2.90Å

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