3bzm

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{{STRUCTURE_3bzm| PDB=3bzm | SCENE= }}
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'''Crystal Structure of Open form of Menaquinone-Specific Isochorismate Synthase, MenF'''
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===Crystal Structure of Open form of Menaquinone-Specific Isochorismate Synthase, MenF===
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==Overview==
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The electron carrier menaquinone is one of many important bacterial metabolites that are derived from the key intermediate chorismic acid. MenF, the first enzyme in the menaquinone pathway, catalyzes the isomerization of chorismate to isochorismate. Here, an improved structure of MenF in a new crystal form is presented. The structure, solved at 2.0 A resolution in complex with magnesium, reveals a well defined closed active site. Existing evidence suggests that the mechanism of the reaction catalyzed by MenF involves nucleophilic attack of a water molecule on the chorismate ring. The structure reveals a well defined water molecule located in an appropriate position for activation by Lys190 and attack on the substrate.
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(as it appears on PubMed at http://www.pubmed.gov), where 18453696 is the PubMed ID number.
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==About this Structure==
==About this Structure==
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[[Category: Menaquinone]]
[[Category: Menaquinone]]
[[Category: Menaquinone biosynthesis]]
[[Category: Menaquinone biosynthesis]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 09:22:56 2008''

Revision as of 06:23, 28 July 2008

Image:3bzm.png

Template:STRUCTURE 3bzm

Crystal Structure of Open form of Menaquinone-Specific Isochorismate Synthase, MenF

Template:ABSTRACT PUBMED 18453696

About this Structure

3BZM is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.

Reference

Structure of isochorismate synthase in complex with magnesium., Parsons JF, Shi KM, Ladner JE, Acta Crystallogr D Biol Crystallogr. 2008 May;64(Pt 5):607-10. Epub 2008, Apr 19. PMID:18453696

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