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[[Image:1kps.png|left|200px]]


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==Structural Basis for E2-mediated SUMO conjugation revealed by a complex between ubiquitin conjugating enzyme Ubc9 and RanGAP1==
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<StructureSection load='1kps' size='340' side='right'caption='[[1kps]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[1kps]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KPS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1KPS FirstGlance]. <br>
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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]] 2.5&#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=SO4:SULFATE+ION'>SO4</scene></td></tr>
{{STRUCTURE_1kps|  PDB=1kps  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1kps FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1kps OCA], [https://pdbe.org/1kps PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1kps RCSB], [https://www.ebi.ac.uk/pdbsum/1kps PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1kps ProSAT]</span></td></tr>
</table>
== 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/kp/1kps_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=1kps ConSurf].
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== Publication Abstract from PubMed ==
E2 enzymes catalyze attachment of ubiquitin and ubiquitin-like proteins to lysine residues directly or through E3-mediated reactions. The small ubiquitin-like modifier SUMO regulates nuclear transport, stress response, and signal transduction in eukaryotes and is essential for cell-cycle progression in yeast. In contrast to most ubiquitin conjugation, the SUMO E2 enzyme Ubc9 is sufficient for substrate recognition and lysine modification of known SUMO targets. Crystallographic analysis of a complex between mammalian Ubc9 and a C-terminal domain of RanGAP1 at 2.5 A reveals structural determinants for recognition of consensus SUMO modification sequences found within SUMO-conjugated proteins. Structure-based mutagenesis and biochemical analysis of Ubc9 and RanGAP1 reveal distinct motifs required for substrate binding and SUMO modification of p53, IkappaBalpha, and RanGAP1.


===Structural Basis for E2-mediated SUMO conjugation revealed by a complex between ubiquitin conjugating enzyme Ubc9 and RanGAP1===
Structural basis for E2-mediated SUMO conjugation revealed by a complex between ubiquitin-conjugating enzyme Ubc9 and RanGAP1.,Bernier-Villamor V, Sampson DA, Matunis MJ, Lima CD Cell. 2002 Feb 8;108(3):345-56. PMID:11853669<ref>PMID:11853669</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1kps" style="background-color:#fffaf0;"></div>


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==See Also==
The line below this paragraph, {{ABSTRACT_PUBMED_11853669}}, adds the Publication Abstract to the page
*[[SUMO conjugating enzyme Ubc9|SUMO conjugating enzyme Ubc9]]
(as it appears on PubMed at http://www.pubmed.gov), where 11853669 is the PubMed ID number.
== References ==
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<references/>
{{ABSTRACT_PUBMED_11853669}}
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</StructureSection>
==About this Structure==
1KPS is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KPS OCA].
 
==Reference==
Structural basis for E2-mediated SUMO conjugation revealed by a complex between ubiquitin-conjugating enzyme Ubc9 and RanGAP1., Bernier-Villamor V, Sampson DA, Matunis MJ, Lima CD, Cell. 2002 Feb 8;108(3):345-56. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11853669 11853669]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
[[Category: Protein complex]]
[[Category: Bernier-Villamor V]]
[[Category: Ubiquitin--protein ligase]]
[[Category: Lima CD]]
[[Category: Bernier-Villamor, V.]]
[[Category: Matunis MJ]]
[[Category: Lima, C D.]]
[[Category: Sampson DA]]
[[Category: Matunis, M J.]]
[[Category: Sampson, D A.]]
[[Category: Conjugating enzyme]]
[[Category: E2]]
[[Category: Ligase]]
[[Category: Small ubiquitin-like modifier]]
[[Category: Sumo]]
[[Category: Thioester]]
[[Category: Ubiquitin]]
 
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