2bl2
From Proteopedia
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[[Image:2bl2.gif|left|200px]] | [[Image:2bl2.gif|left|200px]] | ||
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'''THE MEMBRANE ROTOR OF THE V-TYPE ATPASE FROM ENTEROCOCCUS HIRAE''' | '''THE MEMBRANE ROTOR OF THE V-TYPE ATPASE FROM ENTEROCOCCUS HIRAE''' | ||
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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:[http://www.ncbi.nlm.nih.gov/pubmed/15802565 15802565] | 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:[http://www.ncbi.nlm.nih.gov/pubmed/15802565 15802565] | ||
[[Category: Enterococcus hirae]] | [[Category: Enterococcus hirae]] | ||
| - | [[Category: H(+)-transporting two-sector ATPase]] | ||
[[Category: Single protein]] | [[Category: Single protein]] | ||
[[Category: Kakinuma, Y.]] | [[Category: Kakinuma, Y.]] | ||
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[[Category: Walker, J E.]] | [[Category: Walker, J E.]] | ||
[[Category: Yamato, I.]] | [[Category: Yamato, I.]] | ||
| - | [[Category: | + | [[Category: Hydrogen ion transport]] |
| - | [[Category: | + | [[Category: Hydrolase]] |
| - | [[Category: | + | [[Category: K-ring]] |
| - | [[Category: | + | [[Category: Membrane rotor]] |
| - | [[Category: | + | [[Category: Sodium transporter]] |
| - | [[Category: | + | [[Category: Transmembrane]] |
| - | [[Category: | + | [[Category: V-type atpase]] |
| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 20:26:22 2008'' | |
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | |
Revision as of 17:26, 3 May 2008
THE MEMBRANE ROTOR OF THE V-TYPE ATPASE FROM ENTEROCOCCUS HIRAE
Overview
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.
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 Sat May 3 20:26:22 2008
