2cb2

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|PDB= 2cb2 |SIZE=350|CAPTION= <scene name='initialview01'>2cb2</scene>, resolution 1.70&Aring;
|PDB= 2cb2 |SIZE=350|CAPTION= <scene name='initialview01'>2cb2</scene>, resolution 1.70&Aring;
|SITE= <scene name='pdbsite=AC1:Fe+Binding+Site+For+Chain+F'>AC1</scene>
|SITE= <scene name='pdbsite=AC1:Fe+Binding+Site+For+Chain+F'>AC1</scene>
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|LIGAND= <scene name='pdbligand=FE:FE (III) ION'>FE</scene>
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|LIGAND= <scene name='pdbligand=CSS:S-MERCAPTOCYSTEINE'>CSS</scene>, <scene name='pdbligand=FE:FE+(III)+ION'>FE</scene>
|ACTIVITY=
|ACTIVITY=
|GENE=
|GENE=
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|DOMAIN=
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2cb2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2cb2 OCA], [http://www.ebi.ac.uk/pdbsum/2cb2 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2cb2 RCSB]</span>
}}
}}
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[[Category: Kletzin, A.]]
[[Category: Kletzin, A.]]
[[Category: Urich, T.]]
[[Category: Urich, T.]]
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[[Category: FE]]
 
[[Category: 2-his-1-carboxylate facial triad]]
[[Category: 2-his-1-carboxylate facial triad]]
[[Category: acidophilic]]
[[Category: acidophilic]]
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[[Category: thermophilic]]
[[Category: thermophilic]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 16:13:09 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 02:18:57 2008''

Revision as of 23:18, 30 March 2008

Image:2cb2.gif


PDB ID 2cb2

Drag the structure with the mouse to rotate
, resolution 1.70Å
Sites:
Ligands: ,
Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



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.

About this Structure

2CB2 is a Single protein structure of sequence from Acidianus ambivalens. Full crystallographic information is available from OCA.

Reference

X-ray Structure of a self-compartmentalizing sulfur cycle metalloenzyme., Urich T, Gomes CM, Kletzin A, Frazao C, Science. 2006 Feb 17;311(5763):996-1000. PMID:16484493

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