1mhs

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[[Image:1mhs.gif|left|200px]]
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{{STRUCTURE_1mhs| PDB=1mhs | SCENE= }}
{{STRUCTURE_1mhs| PDB=1mhs | SCENE= }}
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'''Model of Neurospora crassa proton ATPase'''
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===Model of Neurospora crassa proton ATPase===
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==Overview==
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Proton pumps in the plasma membrane of plants and yeasts maintain the intracellular pH and membrane potential. To gain insight into the molecular mechanisms of proton pumping, we built an atomic homology model of the proton pump based on the 2.6 angstrom x-ray structure of the related Ca2+ pump from rabbit sarcoplasmic reticulum. The model, when fitted to an 8 angstrom map of the Neurospora proton pump determined by electron microscopy, reveals the likely path of the proton through the membrane and shows that the nucleotide-binding domain rotates by approximately 70 degrees to deliver adenosine triphosphate (ATP) to the phosphorylation site. A synthetic peptide corresponding to the carboxyl-terminal regulatory domain stimulates ATPase activity, suggesting a mechanism for proton transport regulation.
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(as it appears on PubMed at http://www.pubmed.gov), where 12169656 is the PubMed ID number.
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{{ABSTRACT_PUBMED_12169656}}
==About this Structure==
==About this Structure==
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[[Category: P-type atpase]]
[[Category: P-type atpase]]
[[Category: Proton pump]]
[[Category: Proton pump]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 01:03:20 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jul 2 23:59:35 2008''

Revision as of 20:59, 2 July 2008

Image:1mhs.png

Template:STRUCTURE 1mhs

Model of Neurospora crassa proton ATPase

Template:ABSTRACT PUBMED 12169656

About this Structure

1MHS is a Single protein structure of sequence from Neurospora crassa. Full crystallographic information is available from OCA.

Reference

Structure, mechanism, and regulation of the Neurospora plasma membrane H+-ATPase., Kuhlbrandt W, Zeelen J, Dietrich J, Science. 2002 Sep 6;297(5587):1692-6. Epub 2002 Aug 8. PMID:12169656

Page seeded by OCA on Wed Jul 2 23:59:35 2008

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