1ga7

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[[Image:1ga7.png|left|200px]]
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==CRYSTAL STRUCTURE OF THE ADP-RIBOSE PYROPHOSPHATASE IN COMPLEX WITH GD+3==
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<StructureSection load='1ga7' size='340' side='right' caption='[[1ga7]], [[Resolution|resolution]] 2.71&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1ga7]] is a 2 chain structure with 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=1GA7 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1GA7 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=GD3:GADOLINIUM+ION'>GD3</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1g0s|1g0s]], [[1g9q|1g9q]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ORF209 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli])</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/ADP-ribose_diphosphatase ADP-ribose diphosphatase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.6.1.13 3.6.1.13] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1ga7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ga7 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1ga7 RCSB], [http://www.ebi.ac.uk/pdbsum/1ga7 PDBsum]</span></td></tr>
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<table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ga/1ga7_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Regulation of cellular levels of ADP-ribose is important in preventing nonenzymatic ADP-ribosylation of proteins. The Escherichia coli ADP-ribose pyrophosphatase, a Nudix enzyme, catalyzes the hydrolysis of ADP-ribose to ribose-5-P and AMP, compounds that can be recycled as part of nucleotide metabolism. The structures of the apo enzyme, the active enzyme and the complex with ADP-ribose were determined to 1.9 A, 2.7 A and 2.3 A, respectively. The structures reveal a symmetric homodimer with two equivalent catalytic sites, each formed by residues of both monomers, requiring dimerization through domain swapping for substrate recognition and catalytic activity. The structures also suggest a role for the residues conserved in each Nudix subfamily. The Nudix motif residues, folded as a loop-helix-loop tailored for pyrophosphate hydrolysis, compose the catalytic center; residues conferring substrate specificity occur in regions of the sequence removed from the Nudix motif. This segregation of catalytic and recognition roles provides versatility to the Nudix family.
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{{STRUCTURE_1ga7| PDB=1ga7 | SCENE= }}
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The structure of ADP-ribose pyrophosphatase reveals the structural basis for the versatility of the Nudix family.,Gabelli SB, Bianchet MA, Bessman MJ, Amzel LM Nat Struct Biol. 2001 May;8(5):467-72. PMID:11323725<ref>PMID:11323725</ref>
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===CRYSTAL STRUCTURE OF THE ADP-RIBOSE PYROPHOSPHATASE IN COMPLEX WITH GD+3===
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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{{ABSTRACT_PUBMED_11323725}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1ga7]] is a 2 chain structure with 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=1GA7 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:011323725</ref><ref group="xtra">PMID:012925789</ref><references group="xtra"/>
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[[Category: ADP-ribose diphosphatase]]
[[Category: ADP-ribose diphosphatase]]
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]

Revision as of 13:09, 28 September 2014

CRYSTAL STRUCTURE OF THE ADP-RIBOSE PYROPHOSPHATASE IN COMPLEX WITH GD+3

1ga7, resolution 2.71Å

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