1r5z

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{{STRUCTURE_1r5z| PDB=1r5z | SCENE= }}
{{STRUCTURE_1r5z| PDB=1r5z | SCENE= }}
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'''Crystal Structure of Subunit C of V-ATPase'''
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===Crystal Structure of Subunit C of V-ATPase===
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==Overview==
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The vacuole-type ATPases (V-ATPases) exist in various intracellular compartments of eukaryotic cells to regulate physiological processes by controlling the acidic environment. The crystal structure of the subunit C of Thermus thermophilus V-ATPase, homologous to eukaryotic subunit d of V-ATPases, has been determined at 1.95-A resolution and located into the holoenzyme complex structure obtained by single particle analysis as suggested by the results of subunit cross-linking experiments. The result shows that V-ATPase is substantially longer than the related F-type ATPase, due to the insertion of subunit C between the V(1) (soluble) and the V(o) (membrane bound) domains. Subunit C, attached to the V(o) domain, seems to have a socket like function in attaching the central-stalk subunits of the V(1) domain. This architecture seems essential for the reversible association/dissociation of the V(1) and the V(o) domains, unique for V-ATPase activity regulation.
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{{ABSTRACT_PUBMED_14684831}}
==About this Structure==
==About this Structure==
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[[Category: Yoshida, M.]]
[[Category: Yoshida, M.]]
[[Category: Alpha-helix]]
[[Category: Alpha-helix]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 07:07:23 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 21:26:29 2008''

Revision as of 18:26, 27 July 2008

Image:1r5z.png

Template:STRUCTURE 1r5z

Crystal Structure of Subunit C of V-ATPase

Template:ABSTRACT PUBMED 14684831

About this Structure

1R5Z is a Single protein structure of sequence from Thermus thermophilus. Full crystallographic information is available from OCA.

Reference

Crystal structure of a central stalk subunit C and reversible association/dissociation of vacuole-type ATPase., Iwata M, Imamura H, Stambouli E, Ikeda C, Tamakoshi M, Nagata K, Makyio H, Hankamer B, Barber J, Yoshida M, Yokoyama K, Iwata S, Proc Natl Acad Sci U S A. 2004 Jan 6;101(1):59-64. Epub 2003 Dec 18. PMID:14684831

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