2jfn
From Proteopedia
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| - | [[Image:2jfn.jpg|left|200px]] | + | [[Image:2jfn.jpg|left|200px]] |
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| - | '''CRYSTAL STRUCTURE OF ESCHERICHIA COLI GLUTAMATE RACEMASE IN COMPLEX WITH L-GLUTAMATE AND ACTIVATOR UDP-MURNAC-ALA''' | + | {{Structure |
| + | |PDB= 2jfn |SIZE=350|CAPTION= <scene name='initialview01'>2jfn</scene>, resolution 1.9Å | ||
| + | |SITE= <scene name='pdbsite=AC1:GLU+Binding+Site+For+Chain+A'>AC1</scene> | ||
| + | |LIGAND= <scene name='pdbligand=GLU:GLUTAMIC ACID'>GLU</scene> | ||
| + | |ACTIVITY= [http://en.wikipedia.org/wiki/Glutamate_racemase Glutamate racemase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=5.1.1.3 5.1.1.3] | ||
| + | |GENE= | ||
| + | }} | ||
| + | |||
| + | '''CRYSTAL STRUCTURE OF ESCHERICHIA COLI GLUTAMATE RACEMASE IN COMPLEX WITH L-GLUTAMATE AND ACTIVATOR UDP-MURNAC-ALA''' | ||
| + | |||
==Overview== | ==Overview== | ||
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==About this Structure== | ==About this Structure== | ||
| - | 2JFN is a [ | + | 2JFN is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JFN OCA]. |
==Reference== | ==Reference== | ||
| - | Exploitation of structural and regulatory diversity in glutamate racemases., Lundqvist T, Fisher SL, Kern G, Folmer RH, Xue Y, Newton DT, Keating TA, Alm RA, de Jonge BL, Nature. 2007 Jun 14;447(7146):817-22. PMID:[http:// | + | Exploitation of structural and regulatory diversity in glutamate racemases., Lundqvist T, Fisher SL, Kern G, Folmer RH, Xue Y, Newton DT, Keating TA, Alm RA, de Jonge BL, Nature. 2007 Jun 14;447(7146):817-22. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17568739 17568739] |
[[Category: Escherichia coli]] | [[Category: Escherichia coli]] | ||
[[Category: Glutamate racemase]] | [[Category: Glutamate racemase]] | ||
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[[Category: udp- murnac-ala]] | [[Category: udp- murnac-ala]] | ||
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 17:41:21 2008'' |
Revision as of 15:41, 20 March 2008
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| , resolution 1.9Å | |||||||
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| Sites: | |||||||
| Ligands: | |||||||
| Activity: | Glutamate racemase, with EC number 5.1.1.3 | ||||||
| Coordinates: | save as pdb, mmCIF, xml | ||||||
CRYSTAL STRUCTURE OF ESCHERICHIA COLI GLUTAMATE RACEMASE IN COMPLEX WITH L-GLUTAMATE AND ACTIVATOR UDP-MURNAC-ALA
Overview
Glutamate racemase is an enzyme essential to the bacterial cell wall biosynthesis pathway, and has therefore been considered as a target for antibacterial drug discovery. We characterized the glutamate racemases of several pathogenic bacteria using structural and biochemical approaches. Here we describe three distinct mechanisms of regulation for the family of glutamate racemases: allosteric activation by metabolic precursors, kinetic regulation through substrate inhibition, and D-glutamate recycling using a d-amino acid transaminase. In a search for selective inhibitors, we identified a series of uncompetitive inhibitors specifically targeting Helicobacter pylori glutamate racemase that bind to a cryptic allosteric site, and used these inhibitors to probe the mechanistic and dynamic features of the enzyme. These structural, kinetic and mutational studies provide insight into the physiological regulation of these essential enzymes and provide a basis for designing narrow-spectrum antimicrobial agents.
About this Structure
2JFN is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.
Reference
Exploitation of structural and regulatory diversity in glutamate racemases., Lundqvist T, Fisher SL, Kern G, Folmer RH, Xue Y, Newton DT, Keating TA, Alm RA, de Jonge BL, Nature. 2007 Jun 14;447(7146):817-22. PMID:17568739
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