1qrr: Difference between revisions

Revision as of 13:23, 29 July 2008

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File:1qrr.png

Template:STRUCTURE 1qrr

CRYSTAL STRUCTURE OF SQD1 PROTEIN COMPLEX WITH NAD AND UDP-GLUCOSECRYSTAL STRUCTURE OF SQD1 PROTEIN COMPLEX WITH NAD AND UDP-GLUCOSE

Template:ABSTRACT PUBMED 10557279

About this StructureAbout this Structure

1QRR is a Single protein structure of sequence from Arabidopsis thaliana. Full crystallographic information is available from OCA.

ReferenceReference

Crystal structure of SQD1, an enzyme involved in the biosynthesis of the plant sulfolipid headgroup donor UDP-sulfoquinovose., Mulichak AM, Theisen MJ, Essigmann B, Benning C, Garavito RM, Proc Natl Acad Sci U S A. 1999 Nov 9;96(23):13097-102. PMID:10557279

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OCA

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-'''CRYSTAL STRUCTURE OF SQD1 PROTEIN COMPLEX WITH NAD AND UDP-GLUCOSE'''
+===CRYSTAL STRUCTURE OF SQD1 PROTEIN COMPLEX WITH NAD AND UDP-GLUCOSE===
-==Overview==
+<!--
-The SQD1 enzyme is believed to be involved in the biosynthesis of the sulfoquinovosyl headgroup of plant sulfolipids, catalyzing the transfer of SO(3)(-) to UDP-glucose. We have determined the structure of the complex of SQD1 from Arabidopsis thaliana with NAD(+) and the putative substrate UDP-glucose at 1.6-A resolution. Both bound ligands are completely buried within the binding cleft, along with an internal solvent cavity which is the likely binding site for the, as yet, unidentified sulfur-donor substrate. SQD1 is a member of the short-chain dehydrogenase/reductase (SDR) family of enzymes, and its structure shows a conservation of the SDR catalytic residues. Among several highly conserved catalytic residues, Thr-145 forms unusually short hydrogen bonds with both susceptible hydroxyls of UDP-glucose. A His side chain may also be catalytically important in the sulfonation.
+The line below this paragraph, {{ABSTRACT_PUBMED_10557279}}, adds the Publication Abstract to the page
+(as it appears on PubMed at http://www.pubmed.gov), where 10557279 is the PubMed ID number.
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+{{ABSTRACT_PUBMED_10557279}}
 ==About this Structure==
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 [[Category: Sdr homolog]]
 [[Category: Short hydrogen bond]]
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