1k0b
From Proteopedia
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- | [[Image:1k0b.png|left|200px]] | ||
- | + | ==Ure2p in Complex with Glutathione== | |
- | + | <StructureSection load='1k0b' size='340' side='right'caption='[[1k0b]], [[Resolution|resolution]] 2.50Å' scene=''> | |
- | + | == Structural highlights == | |
- | + | <table><tr><td colspan='2'>[[1k0b]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1K0B OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1K0B FirstGlance]. <br> | |
- | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.5Å</td></tr> | |
- | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GSH:GLUTATHIONE'>GSH</scene></td></tr> | |
- | + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1k0b FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1k0b OCA], [https://pdbe.org/1k0b PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1k0b RCSB], [https://www.ebi.ac.uk/pdbsum/1k0b PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1k0b ProSAT]</span></td></tr> | |
- | + | </table> | |
- | + | == Function == | |
- | + | [https://www.uniprot.org/uniprot/URE2_YEAST URE2_YEAST] Plays an important role in nitrogen catabolite repression. Down-regulates the expression of many genes involved in nitrogen utilization by inhibiting the GATA transcriptional activators GLN3 and GAT1. Under good nitrogen conditions, binds to the phosphorylated forms of GLN3 and GAT1 and sequesters them in the cytoplasm, preventing transcription of genes expressed upon nitrogen limitation. Is also an atypical glutaredoxin without a catalytical cysteine residue. Has glutathione peroxidase and thiol:disulfide oxidoreductase activities in both native and fibrillar form. Also shows insulin disulfide reductase and dehydroascorbic acid reductase (DHAR) actvites.<ref>PMID:1990286</ref> <ref>PMID:8755910</ref> <ref>PMID:10604478</ref> <ref>PMID:10799523</ref> <ref>PMID:15371425</ref> <ref>PMID:19321443</ref> | |
- | + | == Evolutionary Conservation == | |
- | < | + | [[Image:Consurf_key_small.gif|200px|right]] |
- | + | Check<jmol> | |
- | + | <jmolCheckbox> | |
- | + | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/k0/1k0b_consurf.spt"</scriptWhenChecked> | |
- | + | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | |
- | + | <text>to colour the structure by Evolutionary Conservation</text> | |
- | == | + | </jmolCheckbox> |
- | [[1k0b]] is a 4 chain structure | + | </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/main_output.php?pdb_ID=1k0b ConSurf]. |
+ | <div style="clear:both"></div> | ||
==See Also== | ==See Also== | ||
- | *[[Prion]] | + | *[[Prion 3D structures|Prion 3D structures]] |
- | + | == References == | |
- | == | + | <references/> |
- | < | + | __TOC__ |
+ | </StructureSection> | ||
+ | [[Category: Large Structures]] | ||
[[Category: Saccharomyces cerevisiae]] | [[Category: Saccharomyces cerevisiae]] | ||
- | [[Category: Belrhali | + | [[Category: Belrhali H]] |
- | [[Category: Bousset | + | [[Category: Bousset L]] |
- | [[Category: Melki | + | [[Category: Melki R]] |
- | [[Category: Morera | + | [[Category: Morera S]] |
- | + | ||
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- | + |
Current revision
Ure2p in Complex with Glutathione
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