1j70

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[[Image:1j70.jpg|left|200px]]
 
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==CRYSTAL STRUCTURE OF YEAST ATP SULFURYLASE==
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The line below this paragraph, containing "STRUCTURE_1j70", creates the "Structure Box" on the page.
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<StructureSection load='1j70' size='340' side='right'caption='[[1j70]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1j70]] is a 3 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=1J70 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1J70 FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.3&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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{{STRUCTURE_1j70| PDB=1j70 | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1j70 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1j70 OCA], [https://pdbe.org/1j70 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1j70 RCSB], [https://www.ebi.ac.uk/pdbsum/1j70 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1j70 ProSAT]</span></td></tr>
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</table>
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'''CRYSTAL STRUCTURE OF YEAST ATP SULFURYLASE'''
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== Function ==
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[https://www.uniprot.org/uniprot/MET3_YEAST MET3_YEAST] Catalyzes the first intracellular reaction of sulfate assimilation, forming adenosine-5'-phosphosulfate (APS) from inorganic sulfate and ATP. Plays an important role in sulfate activation as a component of the biosynthesis pathway of sulfur-containing amino acids.[HAMAP-Rule:MF_03106]
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== Evolutionary Conservation ==
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==Overview==
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[[Image:Consurf_key_small.gif|200px|right]]
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ATP sulfurylase catalyzes the first step in the activation of sulfate by transferring the adenylyl-moiety (AMP approximately ) of ATP to sulfate to form adenosine 5'-phosphosulfate (APS) and pyrophosphate (PP(i)). Subsequently, APS kinase mediates transfer of the gamma-phosphoryl group of ATP to APS to form 3'-phosphoadenosine 5'-phosphosulfate (PAPS) and ADP. The recently determined crystal structure of yeast ATP sulfurylase suggests that its C-terminal domain is structurally quite independent from the other domains, and not essential for catalytic activity. It seems, however, to dictate the oligomerization state of the protein. Here we show that truncation of this domain results in a monomeric enzyme with slightly enhanced catalytic efficiency. Structural alignment of the C-terminal domain indicated that it is extremely similar in its fold to APS kinase although not catalytically competent. While carrying out these structural and functional studies a surface groove was noted. Careful inspection and modeling revealed that the groove is sufficiently deep and wide, as well as properly positioned, to act as a substrate channel between the ATP sulfurylase and APS kinase-like domains of the enzyme.
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Check<jmol>
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<jmolCheckbox>
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==About this Structure==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/j7/1j70_consurf.spt"</scriptWhenChecked>
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1J70 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1J70 OCA].
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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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==Reference==
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</jmolCheckbox>
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Structural and functional analysis of a truncated form of Saccharomyces cerevisiae ATP sulfurylase: C-terminal domain essential for oligomer formation but not for activity., Lalor DJ, Schnyder T, Saridakis V, Pilloff DE, Dong A, Tang H, Leyh TS, Pai EF, Protein Eng. 2003 Dec;16(12):1071-9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14983089 14983089]
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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/main_output.php?pdb_ID=1j70 ConSurf].
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<div style="clear:both"></div>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: Single protein]]
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[[Category: Dong A]]
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[[Category: Sulfate adenylyltransferase]]
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[[Category: Lalor DJ]]
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[[Category: Dong, A.]]
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[[Category: Leyh TS]]
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[[Category: Lalor, D J.]]
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[[Category: Pai EF]]
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[[Category: Leyh, T S.]]
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[[Category: Pilloff DE]]
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[[Category: Pai, E F.]]
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[[Category: Saridakis V]]
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[[Category: Pilloff, D E.]]
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[[Category: Schnyder T]]
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[[Category: Saridakis, V.]]
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[[Category: Tang H]]
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[[Category: Schnyder, T.]]
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[[Category: Tang, H.]]
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[[Category: Nucleotide binding fold and kinase fold]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 20:51:37 2008''
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Current revision

CRYSTAL STRUCTURE OF YEAST ATP SULFURYLASE

PDB ID 1j70

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