1v9m

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{{STRUCTURE_1v9m| PDB=1v9m | SCENE= }}
{{STRUCTURE_1v9m| PDB=1v9m | SCENE= }}
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'''Crystal structure of the C subunit of V-type ATPase from Thermus thermophilus'''
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===Crystal structure of the C subunit of V-type ATPase from Thermus thermophilus===
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==Overview==
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The V-type H(+)-ATPases are similar to the F-type ATP synthases in their structure and functional mechanism. They hydrolyze ATP coupled with proton translocation across a membrane, but in some archaea and eubacteria they also synthesize ATP in the reverse reaction. The C subunit is one of the components of the membrane-bound V(0) moiety of V-type ATPases. The C subunit of V-type H(+)-ATPase from Thermus thermophilus was crystallized in a monoclinic form and its crystal structure was determined at 1.85 A resolution by the MAD method using selenomethionyl protein. The structure has a cone (tapered cylinder) shape consisting of only two types of helix (long and short) as secondary-structure elements. The molecule is divided into three similar domains, each of which has essentially the same topology. On the basis of the structural features and molecular-surface charge distribution, it is suggested that the bottom side of the C subunit is a possible binding site for the V(0) proteolipid L-subunit ring and that the C subunit might function as a spacer unit between the proteolipid L-subunit ring and the rotating V(1) central shaft.
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{{ABSTRACT_PUBMED_15103125}}
==About this Structure==
==About this Structure==
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[[Category: V-type atpase]]
[[Category: V-type atpase]]
[[Category: Vov1-atpase]]
[[Category: Vov1-atpase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 12:16:12 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 02:44:20 2008''

Revision as of 23:44, 27 July 2008

Image:1v9m.png

Template:STRUCTURE 1v9m

Crystal structure of the C subunit of V-type ATPase from Thermus thermophilus

Template:ABSTRACT PUBMED 15103125

About this Structure

1V9M is a Single protein structure of sequence from Thermus thermophilus. Full crystallographic information is available from OCA.

Reference

Structure of the C subunit of V-type ATPase from Thermus thermophilus at 1.85 A resolution., Numoto N, Kita A, Miki K, Acta Crystallogr D Biol Crystallogr. 2004 May;60(Pt 5):810-5. Epub 2004, Apr 21. PMID:15103125

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