2cb2: Difference between revisions

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[[Image:2cb2.~~gif~~|left|200px]]

[[Image:2cb2.png|left|200px]]

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~~'''~~SULFUR OXYGENASE REDUCTASE FROM ACIDIANUS AMBIVALENS~~'''~~

===SULFUR OXYGENASE REDUCTASE FROM ACIDIANUS AMBIVALENS===

~~==Overview==~~

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~~Numerous microorganisms oxidize sulfur for energy conservation and contribute~~ to the ~~global biogeochemical sulfur cycle~~. ~~We have determined the 1~~.~~7 angstrom-resolution structure of the sulfur oxygenase reductase from~~ the ~~thermoacidophilic archaeon Acidianus ambivalens, which catalyzes an oxygen-dependent disproportionation of elemental sulfur~~. ~~Twenty~~-~~four monomers form a large hollow sphere enclosing a positively charged nanocompartment. Apolar channels provide access for linear sulfur species. A cysteine persulfide and a low~~-potential mononuclear non-heme iron site ligated by a 2-His-1-carboxylate facial triad in a pocket of each subunit constitute the active sites, accessible from the inside of the sphere. The iron is likely the site of both sulfur oxidation and sulfur reduction.

The line below this paragraph, {{ABSTRACT_PUBMED_16484493}}, adds the Publication Abstract to the page

(as it appears on PubMed at http://www.pubmed.gov), where 16484493 is the PubMed ID number.

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==About this Structure==

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[[Category: Sulfur oxygenase reductase]]

[[Category: Thermophilic]]

''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on ~~Sat May 3~~ 21:37:32 2008''

''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 21:07:52 2008''

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-[[Image:2cb2.gif|left|200px]]
+{{Seed}}
+[[Image:2cb2.png|left|200px]]
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 {{STRUCTURE_2cb2|  PDB=2cb2  |  SCENE=  }}
-'''SULFUR OXYGENASE REDUCTASE FROM ACIDIANUS AMBIVALENS'''
+===SULFUR OXYGENASE REDUCTASE FROM ACIDIANUS AMBIVALENS===
-==Overview==
+<!--
-Numerous microorganisms oxidize sulfur for energy conservation and contribute to the global biogeochemical sulfur cycle. We have determined the 1.7 angstrom-resolution structure of the sulfur oxygenase reductase from the thermoacidophilic archaeon Acidianus ambivalens, which catalyzes an oxygen-dependent disproportionation of elemental sulfur. Twenty-four monomers form a large hollow sphere enclosing a positively charged nanocompartment. Apolar channels provide access for linear sulfur species. A cysteine persulfide and a low-potential mononuclear non-heme iron site ligated by a 2-His-1-carboxylate facial triad in a pocket of each subunit constitute the active sites, accessible from the inside of the sphere. The iron is likely the site of both sulfur oxidation and sulfur reduction.
+The line below this paragraph, {{ABSTRACT_PUBMED_16484493}}, adds the Publication Abstract to the page
+(as it appears on PubMed at http://www.pubmed.gov), where 16484493 is the PubMed ID number.
+-->
+{{ABSTRACT_PUBMED_16484493}}
 ==About this Structure==
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 [[Category: Sulfur oxygenase reductase]]
 [[Category: Thermophilic]]
-''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 21:37:32 2008''
+''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 21:07:52 2008''