1txt

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{{STRUCTURE_1txt| PDB=1txt | SCENE= }}
{{STRUCTURE_1txt| PDB=1txt | SCENE= }}
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'''Staphylococcus aureus 3-hydroxy-3-methylglutaryl-CoA synthase'''
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===Staphylococcus aureus 3-hydroxy-3-methylglutaryl-CoA synthase===
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==Overview==
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3-Hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) synthase, a member of the family of acyl-condensing enzymes, catalyzes the first committed step in the mevalonate pathway and is a potential target for novel antibiotics and cholesterol-lowering agents. The Staphylococcus aureus mvaS gene product (43.2 kDa) was overexpressed in Escherichia coli, purified to homogeneity, and shown biochemically to be an HMG-CoA synthase. The crystal structure of the full-length enzyme was determined at 2.0-A resolution, representing the first structure of an HMG-CoA synthase from any organism. HMG-CoA synthase forms a homodimer. The monomer, however, contains an important core structure of two similar alpha/beta motifs, a fold that is completely conserved among acyl-condensing enzymes. This common fold provides a scaffold for a catalytic triad made up of Cys, His, and Asn required by these enzymes. In addition, a crystal structure of HMG-CoA synthase with acetoacetyl-CoA was determined at 2.5-A resolution. Together, these structures provide the structural basis for an understanding of the mechanism of HMG-CoA synthase.
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(as it appears on PubMed at http://www.pubmed.gov), where 15292254 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15292254}}
==About this Structure==
==About this Structure==
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[[Category: Hmg]]
[[Category: Hmg]]
[[Category: Thiolase fold]]
[[Category: Thiolase fold]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 10:30:02 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 09:03:01 2008''

Revision as of 06:03, 28 July 2008

Image:1txt.png

Template:STRUCTURE 1txt

Staphylococcus aureus 3-hydroxy-3-methylglutaryl-CoA synthase

Template:ABSTRACT PUBMED 15292254

About this Structure

1TXT is a Single protein structure of sequence from Staphylococcus aureus. Full crystallographic information is available from OCA.

Reference

Staphylococcus aureus 3-hydroxy-3-methylglutaryl-CoA synthase: crystal structure and mechanism., Campobasso N, Patel M, Wilding IE, Kallender H, Rosenberg M, Gwynn MN, J Biol Chem. 2004 Oct 22;279(43):44883-8. Epub 2004 Aug 2. PMID:15292254

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