2qj0: Difference between revisions

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==Structure of the yeast U-box-containing ubiquitin ligase Ufd2p==
==Structure of the yeast U-box-containing ubiquitin ligase Ufd2p==
<StructureSection load='2qj0' size='340' side='right' caption='[[2qj0]], [[Resolution|resolution]] 2.65&Aring;' scene=''>
<StructureSection load='2qj0' size='340' side='right'caption='[[2qj0]], [[Resolution|resolution]] 2.65&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2qj0]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Atcc_18824 Atcc 18824]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QJ0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2QJ0 FirstGlance]. <br>
<table><tr><td colspan='2'>[[2qj0]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Atcc_18824 Atcc 18824]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QJ0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2QJ0 FirstGlance]. <br>
</td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
</td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2qiz|2qiz]]</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[2qiz|2qiz]]</div></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">UFD2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 ATCC 18824])</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">UFD2 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 ATCC 18824])</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2qj0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qj0 OCA], [http://pdbe.org/2qj0 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2qj0 RCSB], [http://www.ebi.ac.uk/pdbsum/2qj0 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2qj0 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=2qj0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qj0 OCA], [https://pdbe.org/2qj0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2qj0 RCSB], [https://www.ebi.ac.uk/pdbsum/2qj0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2qj0 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/UFD2_YEAST UFD2_YEAST]] E4 ubiquitin chain-elongation enzyme specifically involved in polyubiquitin chain assembly. Binds to CDC48 and elongates mono- and diubiquitinated ERAD substrates presented by the UFD1-NPL4-CDC48/p97 (UNC) AAA ATPase complex to a chain length of 4 to 6 ubiquitin moieties. Delivers these polyubiquitinated substrates to RAD23 and DSK2, which target them to the proteasome. Has E3 ubiquitin-protein ligase activity, accepting ubiquitin from its cognate E2 ubiquitin-conjugating enzyme UBC4. Enhances ubiquitination at 'Lys-48', but not at 'Lys-29' of the Ub moiety. Promotes ubiquitin chain elongation at 'Lys-48' on the DOA10 substrate PEX29. Also involved in the proteolytic processing of the ER-bound transcription factor SPT23.<ref>PMID:10089879</ref> <ref>PMID:15240124</ref> <ref>PMID:15652483</ref> <ref>PMID:18191224</ref> <ref>PMID:20159987</ref>   
[[https://www.uniprot.org/uniprot/UFD2_YEAST UFD2_YEAST]] E4 ubiquitin chain-elongation enzyme specifically involved in polyubiquitin chain assembly. Binds to CDC48 and elongates mono- and diubiquitinated ERAD substrates presented by the UFD1-NPL4-CDC48/p97 (UNC) AAA ATPase complex to a chain length of 4 to 6 ubiquitin moieties. Delivers these polyubiquitinated substrates to RAD23 and DSK2, which target them to the proteasome. Has E3 ubiquitin-protein ligase activity, accepting ubiquitin from its cognate E2 ubiquitin-conjugating enzyme UBC4. Enhances ubiquitination at 'Lys-48', but not at 'Lys-29' of the Ub moiety. Promotes ubiquitin chain elongation at 'Lys-48' on the DOA10 substrate PEX29. Also involved in the proteolytic processing of the ER-bound transcription factor SPT23.<ref>PMID:10089879</ref> <ref>PMID:15240124</ref> <ref>PMID:15652483</ref> <ref>PMID:18191224</ref> <ref>PMID:20159987</ref>   
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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</StructureSection>
</StructureSection>
[[Category: Atcc 18824]]
[[Category: Atcc 18824]]
[[Category: Large Structures]]
[[Category: Brunger, A T]]
[[Category: Brunger, A T]]
[[Category: Tu, D]]
[[Category: Tu, D]]
[[Category: Helical hairpin]]
[[Category: Helical hairpin]]
[[Category: Ligase]]
[[Category: Ligase]]
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