1ygz

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[[Image:1ygz.jpg|left|200px]]
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{{Structure
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|PDB= 1ygz |SIZE=350|CAPTION= <scene name='initialview01'>1ygz</scene>, resolution 2.6&Aring;
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The line below this paragraph, containing "STRUCTURE_1ygz", creates the "Structure Box" on the page.
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|LIGAND= <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene>
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Inorganic_diphosphatase Inorganic diphosphatase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.6.1.1 3.6.1.1] </span>
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{{STRUCTURE_1ygz| PDB=1ygz | SCENE= }}
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1ygz FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ygz OCA], [http://www.ebi.ac.uk/pdbsum/1ygz PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1ygz RCSB]</span>
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'''Crystal Structure of Inorganic Pyrophosphatase from Helicobacter pylori'''
'''Crystal Structure of Inorganic Pyrophosphatase from Helicobacter pylori'''
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[[Category: Suh, S W.]]
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[[Category: Wu, C A.]]
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[[Category: hydrolase]]
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[[Category: Hydrolase]]
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Revision as of 13:18, 3 May 2008

Image:1ygz.jpg

Template:STRUCTURE 1ygz

Crystal Structure of Inorganic Pyrophosphatase from Helicobacter pylori


Overview

Inorganic pyrophosphatase (PPase) is a ubiquitous cytosolic enzyme which catalyzes the hydrolysis of inorganic pyrophosphate (PPi) to orthophosphate (Pi). The crystal structure of inorganic pyrophosphatase from Helicobacter pylori (H-PPase) has been solved by MAD and refined to an R factor of 20.6% at 2.6 A resolution. The crystallographic asymmetric unit contains a homohexameric H-PPase arranged as a dimer of trimers. While most of the structural elements of PPases are highly conserved in H-PPase, some unique structural features are localized in the flexible loops near the active site, suggesting that the structural flexibility of these loops is required for the catalytic efficiency of PPase.

About this Structure

1YGZ is a Single protein structure of sequence from Helicobacter pylori. Full crystallographic information is available from OCA.

Reference

Structure of inorganic pyrophosphatase from Helicobacter pylori., Wu CA, Lokanath NK, Kim DY, Park HJ, Hwang HY, Kim ST, Suh SW, Kim KK, Acta Crystallogr D Biol Crystallogr. 2005 Nov;61(Pt 11):1459-64. Epub 2005, Oct 19. PMID:16239722 Page seeded by OCA on Sat May 3 16:18:17 2008

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