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2bix

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[[Image:2bix.gif|left|200px]]
[[Image:2bix.gif|left|200px]]
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{{Structure
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<!--
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|PDB= 2bix |SIZE=350|CAPTION= <scene name='initialview01'>2bix</scene>, resolution 2.68&Aring;
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The line below this paragraph, containing "STRUCTURE_2bix", creates the "Structure Box" on the page.
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|SITE= <scene name='pdbsite=AC1:Ote+Binding+Site+For+Chain+B'>AC1</scene>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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|LIGAND= <scene name='pdbligand=C8E:(HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE'>C8E</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</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=
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or leave the SCENE parameter empty for the default display.
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|GENE=
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|DOMAIN=
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{{STRUCTURE_2bix| PDB=2bix | SCENE= }}
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2bix FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2bix OCA], [http://www.ebi.ac.uk/pdbsum/2bix PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2bix RCSB]</span>
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}}
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'''CRYSTAL STRUCTURE OF APOCAROTENOID CLEAVAGE OXYGENASE FROM SYNECHOCYSTIS, FE-FREE APOENZYME'''
'''CRYSTAL STRUCTURE OF APOCAROTENOID CLEAVAGE OXYGENASE FROM SYNECHOCYSTIS, FE-FREE APOENZYME'''
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[[Category: Ruch, S.]]
[[Category: Ruch, S.]]
[[Category: Schulz, G E.]]
[[Category: Schulz, G E.]]
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[[Category: carotenoid cleavage]]
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[[Category: Carotenoid cleavage]]
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[[Category: dioxygenase]]
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[[Category: Dioxygenase]]
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[[Category: non-heme iron]]
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[[Category: Non-heme iron]]
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[[Category: oxidoreductase]]
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[[Category: Oxidoreductase]]
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[[Category: oxygenase]]
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[[Category: Oxygenase]]
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[[Category: retinal formation]]
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[[Category: Retinal formation]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 20:21:15 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 02:07:07 2008''
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Revision as of 17:21, 3 May 2008

Image:2bix.gif

Template:STRUCTURE 2bix

CRYSTAL STRUCTURE OF APOCAROTENOID CLEAVAGE OXYGENASE FROM SYNECHOCYSTIS, FE-FREE APOENZYME


Overview

Enzymes that produce retinal and related apocarotenoids constitute a sequence- and thus structure-related family, a member of which was analyzed by x-ray diffraction. This member is an oxygenase and contains an Fe2+-4-His arrangement at the axis of a seven-bladed beta-propeller chain fold covered by a dome formed by six large loops. The Fe2+ is accessible through a long nonpolar tunnel that holds a carotenoid derivative in one of the crystals. On binding, three consecutive double bonds of this carotenoid changed from a straight all-trans to a cranked cis-trans-cis conformation. The remaining trans bond is located at the dioxygen-ligated Fe2+ and cleaved by oxygen.

About this Structure

2BIX is a Single protein structure of sequence from Synechocystis sp.. Full crystallographic information is available from OCA.

Reference

The structure of a retinal-forming carotenoid oxygenase., Kloer DP, Ruch S, Al-Babili S, Beyer P, Schulz GE, Science. 2005 Apr 8;308(5719):267-9. PMID:15821095 Page seeded by OCA on Sat May 3 20:21:15 2008

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