2bl2

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{{STRUCTURE_2bl2| PDB=2bl2 | SCENE= }}
{{STRUCTURE_2bl2| PDB=2bl2 | SCENE= }}
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'''THE MEMBRANE ROTOR OF THE V-TYPE ATPASE FROM ENTEROCOCCUS HIRAE'''
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===THE MEMBRANE ROTOR OF THE V-TYPE ATPASE FROM ENTEROCOCCUS HIRAE===
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==Overview==
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The membrane rotor ring from the vacuolar-type (V-type) sodium ion-pumping adenosine triphosphatase (Na+-ATPase) from Enterococcus hirae consists of 10 NtpK subunits, which are homologs of the 16-kilodalton and 8-kilodalton proteolipids found in other V-ATPases and in F1Fo- or F-ATPases, respectively. Each NtpK subunit has four transmembrane alpha helices, with a sodium ion bound between helices 2 and 4 at a site buried deeply in the membrane that includes the essential residue glutamate-139. This site is probably connected to the membrane surface by two half-channels in subunit NtpI, against which the ring rotates. Symmetry mismatch between the rotor and catalytic domains appears to be an intrinsic feature of both V- and F-ATPases.
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(as it appears on PubMed at http://www.pubmed.gov), where 15802565 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15802565}}
==About this Structure==
==About this Structure==
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[[Category: Transmembrane]]
[[Category: Transmembrane]]
[[Category: V-type atpase]]
[[Category: V-type atpase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 20:26:22 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 03:26:37 2008''

Revision as of 00:26, 28 July 2008

Image:2bl2.png

Template:STRUCTURE 2bl2

THE MEMBRANE ROTOR OF THE V-TYPE ATPASE FROM ENTEROCOCCUS HIRAE

Template:ABSTRACT PUBMED 15802565

About this Structure

2BL2 is a Single protein structure of sequence from Enterococcus hirae. Full crystallographic information is available from OCA.

Reference

Structure of the rotor of the V-Type Na+-ATPase from Enterococcus hirae., Murata T, Yamato I, Kakinuma Y, Leslie AG, Walker JE, Science. 2005 Apr 29;308(5722):654-9. Epub 2005 Mar 31. PMID:15802565

Page seeded by OCA on Mon Jul 28 03:26:37 2008

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