2c4w

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|PDB= 2c4w |SIZE=350|CAPTION= <scene name='initialview01'>2c4w</scene>, resolution 1.55&Aring;
|PDB= 2c4w |SIZE=350|CAPTION= <scene name='initialview01'>2c4w</scene>, resolution 1.55&Aring;
|SITE= <scene name='pdbsite=AC1:Imd+Binding+Site+For+Chain+A'>AC1</scene>
|SITE= <scene name='pdbsite=AC1:Imd+Binding+Site+For+Chain+A'>AC1</scene>
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|LIGAND= <scene name='pdbligand=GAJ:N-TETRAZOL-5-YL+9-OXO-9H-XANTHENE-2+SULPHONAMIDE'>GAJ</scene>, <scene name='pdbligand=IMD:IMIDAZOLE'>IMD</scene> and <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>
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|LIGAND= <scene name='pdbligand=GAJ:N-TETRAZOL-5-YL+9-OXO-9H-XANTHENE-2+SULPHONAMIDE'>GAJ</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=IMD:IMIDAZOLE'>IMD</scene>
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|ACTIVITY= [http://en.wikipedia.org/wiki/3-dehydroquinate_dehydratase 3-dehydroquinate dehydratase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.2.1.10 4.2.1.10]
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/3-dehydroquinate_dehydratase 3-dehydroquinate dehydratase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.2.1.10 4.2.1.10] </span>
|GENE=
|GENE=
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|DOMAIN=
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2c4w FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2c4w OCA], [http://www.ebi.ac.uk/pdbsum/2c4w PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2c4w RCSB]</span>
}}
}}
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[[Category: Lapthorn, A J.]]
[[Category: Lapthorn, A J.]]
[[Category: Robinson, D A.]]
[[Category: Robinson, D A.]]
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[[Category: GAJ]]
 
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[[Category: GOL]]
 
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[[Category: IMD]]
 
[[Category: 3-dehydroquinase]]
[[Category: 3-dehydroquinase]]
[[Category: aromatic amino acid biosynthesis]]
[[Category: aromatic amino acid biosynthesis]]
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[[Category: sulphonamide]]
[[Category: sulphonamide]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 16:10:49 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 02:16:23 2008''

Revision as of 23:16, 30 March 2008


PDB ID 2c4w

Drag the structure with the mouse to rotate
, resolution 1.55Å
Sites:
Ligands: , ,
Activity: 3-dehydroquinate dehydratase, with EC number 4.2.1.10
Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



TYPE II DEHYDROQUINASE FROM H. PYLORI IN COMPLEX WITH AH9095


Overview

The crystal structures of the type II dehydroquinase (DHQase) from Helicobacter pylori in complex with three competitive inhibitors have been determined. The inhibitors are the substrate analogue 2,3-anhydroquinate (FA1), citrate, and an oxoxanthene sulfonamide derivative (AH9095). Despite the very different chemical nature of the inhibitors, in each case the primary point of interaction with the enzyme is via the residues that bind the C1 functionalities of the substrate, 3-dehydroquinate, i.e., N76, H102, I103, and H104. The DHQase/AH9095 complex crystal structure shows that sulfonamides can form a scaffold for nonsubstrate-like inhibitors and identifies a large conserved hydrophobic patch at the entrance to the active site as a locus that can be exploited in the development of new ligands.

About this Structure

2C4W is a Single protein structure of sequence from Helicobacter pylori. Full crystallographic information is available from OCA.

Reference

Crystal structures of Helicobacter pylori type II dehydroquinase inhibitor complexes: new directions for inhibitor design., Robinson DA, Stewart KA, Price NC, Chalk PA, Coggins JR, Lapthorn AJ, J Med Chem. 2006 Feb 23;49(4):1282-90. PMID:16480265

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