1gd1

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[[Image:1gd1.jpg|left|200px]]
[[Image:1gd1.jpg|left|200px]]
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{{Structure
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<!--
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|PDB= 1gd1 |SIZE=350|CAPTION= <scene name='initialview01'>1gd1</scene>, resolution 1.8&Aring;
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The line below this paragraph, containing "STRUCTURE_1gd1", creates the "Structure Box" on the page.
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|SITE=
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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|LIGAND= <scene name='pdbligand=NAD:NICOTINAMIDE-ADENINE-DINUCLEOTIDE'>NAD</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Glyceraldehyde-3-phosphate_dehydrogenase_(phosphorylating) Glyceraldehyde-3-phosphate dehydrogenase (phosphorylating)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.2.1.12 1.2.1.12] </span>
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or leave the SCENE parameter empty for the default display.
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|GENE= BACILLUS STEAROTHERMOPHILUS ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1422 Geobacillus stearothermophilus])
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-->
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|DOMAIN=
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{{STRUCTURE_1gd1| PDB=1gd1 | SCENE= }}
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1gd1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1gd1 OCA], [http://www.ebi.ac.uk/pdbsum/1gd1 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1gd1 RCSB]</span>
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}}
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'''STRUCTURE OF HOLO-GLYCERALDEHYDE-3-PHOSPHATE DEHYDROGENASE FROM BACILLUS STEAROTHERMOPHILUS AT 1.8 ANGSTROMS RESOLUTION'''
'''STRUCTURE OF HOLO-GLYCERALDEHYDE-3-PHOSPHATE DEHYDROGENASE FROM BACILLUS STEAROTHERMOPHILUS AT 1.8 ANGSTROMS RESOLUTION'''
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Structure of holo-glyceraldehyde-3-phosphate dehydrogenase from Bacillus stearothermophilus at 1.8 A resolution., Skarzynski T, Moody PC, Wonacott AJ, J Mol Biol. 1987 Jan 5;193(1):171-87. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/3586018 3586018]
Structure of holo-glyceraldehyde-3-phosphate dehydrogenase from Bacillus stearothermophilus at 1.8 A resolution., Skarzynski T, Moody PC, Wonacott AJ, J Mol Biol. 1987 Jan 5;193(1):171-87. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/3586018 3586018]
[[Category: Geobacillus stearothermophilus]]
[[Category: Geobacillus stearothermophilus]]
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[[Category: Glyceraldehyde-3-phosphate dehydrogenase (phosphorylating)]]
 
[[Category: Single protein]]
[[Category: Single protein]]
[[Category: Moody, P C.E.]]
[[Category: Moody, P C.E.]]
[[Category: Skarzynski, T.]]
[[Category: Skarzynski, T.]]
[[Category: Wonacott, A J.]]
[[Category: Wonacott, A J.]]
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[[Category: oxidoreductase(aldehyde(d)-nad(a))]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 17:25:51 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 20:41:40 2008''
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Revision as of 14:25, 2 May 2008

Image:1gd1.jpg

Template:STRUCTURE 1gd1

STRUCTURE OF HOLO-GLYCERALDEHYDE-3-PHOSPHATE DEHYDROGENASE FROM BACILLUS STEAROTHERMOPHILUS AT 1.8 ANGSTROMS RESOLUTION


Overview

The structure of holo-glyceraldehyde-3-phosphate dehydrogenase from Bacillus stearothermophilus has been crystallographically refined at 1.8 A resolution using restrained least-squares refinement methods. The final crystallographic R-factor for 93,120 reflexions with F greater than 3 sigma (F) is 0.177. The asymmetric unit of the crystal contains a complete tetramer, the final model of which incorporates a total of 10,272 unique protein and coenzyme atoms together with 677 bound solvent molecules. The structure has been analysed with respect to molecular symmetry, intersubunit contacts, coenzyme binding and active site geometry. The refined model shows the four independent subunits to be remarkable similar apart from local deviations due to intermolecular contacts within the crystal lattice. A number of features are revealed that had previously been misinterpreted from an earlier 2.7 A electron density map. Arginine at position 195 (previously thought to be a glycine) contributes to the formation of the anion binding sites in the active site pocket, which are involved in binding of the substrate and inorganic phosphates during catalysis. This residue seems to be structurally equivalent to the conserved Arg194 in the enzyme from other sources. In the crystal both of the anion binding sites are occupied by sulphate ions. The ND atom of the catalytically important His176 is hydrogen-bonded to the main-chain carbonyl oxygen of Ser177, thus fixing the plane of the histidine imidazole ring and preventing rotation. The analysis has revealed the presence of several internal salt-bridges stabilizing the tertiary and quaternary structure. A significant number of buried water molecules have been found that play an important role in the structural integrity of the molecule.

About this Structure

1GD1 is a Single protein structure of sequence from Geobacillus stearothermophilus. Full crystallographic information is available from OCA.

Reference

Structure of holo-glyceraldehyde-3-phosphate dehydrogenase from Bacillus stearothermophilus at 1.8 A resolution., Skarzynski T, Moody PC, Wonacott AJ, J Mol Biol. 1987 Jan 5;193(1):171-87. PMID:3586018 Page seeded by OCA on Fri May 2 17:25:51 2008

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