1y8q

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[[Image:1y8q.png|left|200px]]
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==SUMO E1 ACTIVATING ENZYME SAE1-SAE2-MG-ATP COMPLEX==
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<StructureSection load='1y8q' size='340' side='right' caption='[[1y8q]], [[Resolution|resolution]] 2.25&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1y8q]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Y8Q OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1Y8Q FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ATP:ADENOSINE-5-TRIPHOSPHATE'>ATP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1y8r|1y8r]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">UBLE1A, SAE1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]), UBLE1B, SAE2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</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=1y8q FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1y8q OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1y8q RCSB], [http://www.ebi.ac.uk/pdbsum/1y8q 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/y8/1y8q_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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E1 enzymes facilitate conjugation of ubiquitin and ubiquitin-like proteins through adenylation, thioester transfer within E1, and thioester transfer from E1 to E2 conjugating proteins. Structures of human heterodimeric Sae1/Sae2-Mg.ATP and Sae1/Sae2-SUMO-1-Mg.ATP complexes were determined at 2.2 and 2.75 A resolution, respectively. Despite the presence of Mg.ATP, the Sae1/Sae2-SUMO-1-Mg.ATP structure reveals a substrate complex insomuch as the SUMO C-terminus remains unmodified within the adenylation site and 35 A from the catalytic cysteine, suggesting that additional changes within the adenylation site may be required to facilitate chemistry prior to adenylation and thioester transfer. A mechanism for E2 recruitment to E1 is suggested by biochemical and genetic data, each of which supports a direct role for the E1 C-terminal ubiquitin-like domain for E2 recruitment during conjugation.
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{{STRUCTURE_1y8q| PDB=1y8q | SCENE= }}
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Structures of the SUMO E1 provide mechanistic insights into SUMO activation and E2 recruitment to E1.,Lois LM, Lima CD EMBO J. 2005 Feb 9;24(3):439-51. Epub 2005 Jan 20. PMID:15660128<ref>PMID:15660128</ref>
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===SUMO E1 ACTIVATING ENZYME SAE1-SAE2-MG-ATP COMPLEX===
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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_15660128}}
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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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[[1y8q]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Y8Q OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:015660128</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Lima, C D.]]
[[Category: Lima, C D.]]

Revision as of 18:54, 29 September 2014

SUMO E1 ACTIVATING ENZYME SAE1-SAE2-MG-ATP COMPLEX

1y8q, resolution 2.25Å

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