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| | <StructureSection load='5ijp' size='340' side='right'caption='[[5ijp]], [[Resolution|resolution]] 2.75Å' scene=''> | | <StructureSection load='5ijp' size='340' side='right'caption='[[5ijp]], [[Resolution|resolution]] 2.75Å' scene=''> |
| | == Structural highlights == | | == Structural highlights == |
| - | <table><tr><td colspan='2'>[[5ijp]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Cbs_144.50 Cbs 144.50]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5IJP OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=5IJP FirstGlance]. <br> | + | <table><tr><td colspan='2'>[[5ijp]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Chaetomium_thermophilum Chaetomium thermophilum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5IJP OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5IJP FirstGlance]. <br> |
| - | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=I6P:INOSITOL+1,2,3,4,5,6-HEXAKISPHOSPHATE'>I6P</scene></td></tr> | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.75Å</td></tr> |
| - | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">CTHT_0057210 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=209285 CBS 144.50])</td></tr> | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=IHP:INOSITOL+HEXAKISPHOSPHATE'>IHP</scene></td></tr> |
| - | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=5ijp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5ijp OCA], [http://pdbe.org/5ijp PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5ijp RCSB], [http://www.ebi.ac.uk/pdbsum/5ijp PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5ijp ProSAT]</span></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=5ijp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5ijp OCA], [https://pdbe.org/5ijp PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5ijp RCSB], [https://www.ebi.ac.uk/pdbsum/5ijp PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5ijp ProSAT]</span></td></tr> |
| | </table> | | </table> |
| | + | == Function == |
| | + | [https://www.uniprot.org/uniprot/G0SCH1_CHATD G0SCH1_CHATD] |
| | <div style="background-color:#fffaf0;"> | | <div style="background-color:#fffaf0;"> |
| | == Publication Abstract from PubMed == | | == Publication Abstract from PubMed == |
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| | __TOC__ | | __TOC__ |
| | </StructureSection> | | </StructureSection> |
| - | [[Category: Cbs 144 50]] | + | [[Category: Chaetomium thermophilum]] |
| | [[Category: Large Structures]] | | [[Category: Large Structures]] |
| - | [[Category: Hothorn, M]] | + | [[Category: Hothorn M]] |
| - | [[Category: Wild, R]] | + | [[Category: Wild R]] |
| - | [[Category: Alpha-helical hairpin]]
| + | |
| - | [[Category: Helical bundle]]
| + | |
| - | [[Category: Inositol phosphate binding protein]]
| + | |
| - | [[Category: Protein-protein interaction]]
| + | |
| - | [[Category: Structural protein]]
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| Structural highlights
Function
G0SCH1_CHATD
Publication Abstract from PubMed
Phosphorus is a macronutrient taken up by cells as inorganic phosphate (Pi). How cells sense cellular Pilevels is poorly characterized. Here we report that SPX domains, which are found in eukaryotic phosphate transporters, signaling proteins and inorganic polyphosphate polymerases, provide a basic binding surface for inositol polyphosphate signaling molecules (InsPs), whose concentrations change in response to Piavailability. Substitutions of critical binding surface residues impair InsP binding in vitro, inorganic polyphosphate synthesis in yeast and Pitransport inArabidopsis In plants, InsPs trigger the association of SPX proteins with transcription factors to regulate Pistarvation responses. We propose that InsPs communicate cytosolic Pilevels to SPX domains and enable them to interact with a multitude of proteins to regulate Piuptake, transport and storage in fungi, plants and animals.
Control of eukaryotic phosphate homeostasis by inositol polyphosphate sensor domains.,Wild R, Gerasimaite R, Jung JY, Truffault V, Pavlovic I, Schmidt A, Saiardi A, Jessen HJ, Poirier Y, Hothorn M, Mayer A Science. 2016 Apr 14. pii: aad9858. PMID:27080106[1]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
References
- ↑ Wild R, Gerasimaite R, Jung JY, Truffault V, Pavlovic I, Schmidt A, Saiardi A, Jessen HJ, Poirier Y, Hothorn M, Mayer A. Control of eukaryotic phosphate homeostasis by inositol polyphosphate sensor domains. Science. 2016 Apr 14. pii: aad9858. PMID:27080106 doi:http://dx.doi.org/10.1126/science.aad9858
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