5nge: Difference between revisions
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==Crystal structure of a deubiquitinase in complex with a reversible inhibitor== | |||
<StructureSection load='5nge' size='340' side='right' caption='[[5nge]], [[Resolution|resolution]] 2.35Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[5nge]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5NGE OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5NGE FirstGlance]. <br> | |||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=8WK:5-[[1-[(3~{S})-4,4-bis(fluoranyl)-3-(3-fluoranylpyrazol-1-yl)butanoyl]-4-oxidanyl-piperidin-4-yl]methyl]-1-(4-fluorophenyl)pyrazolo[3,4-d]pyrimidin-4-one'>8WK</scene></td></tr> | |||
[[Category: | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Ubiquitinyl_hydrolase_1 Ubiquitinyl hydrolase 1], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.19.12 3.4.19.12] </span></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=5nge FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5nge OCA], [http://pdbe.org/5nge PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5nge RCSB], [http://www.ebi.ac.uk/pdbsum/5nge PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5nge ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[[http://www.uniprot.org/uniprot/UBP7_HUMAN UBP7_HUMAN]] Hydrolase that deubiquitinates target proteins such as FOXO4, p53/TP53, MDM2, ERCC6, DNMT1, UHRF1, PTEN and DAXX. Together with DAXX, prevents MDM2 self-ubiquitination and enhances the E3 ligase activity of MDM2 towards p53/TP53, thereby promoting p53/TP53 ubiquitination and proteasomal degradation. Deubiquitinates p53/TP53 and MDM2 and strongly stabilizes p53/TP53 even in the presence of excess MDM2, and also induces p53/TP53-dependent cell growth repression and apoptosis. Deubiquitination of FOXO4 in presence of hydrogen peroxide is not dependent on p53/TP53 and inhibits FOXO4-induced transcriptional activity. In association with DAXX, is involved in the deubiquitination and translocation of PTEN from the nucleus to the cytoplasm, both processes that are counteracted by PML. Involved in cell proliferation during early embryonic development. Involved in transcription-coupled nucleotide excision repair (TC-NER) in response to UV damage: recruited to DNA damage sites following interaction with KIAA1530/UVSSA and promotes deubiquitination of ERCC6, preventing UV-induced degradation of ERCC6. Contributes to the overall stabilization and trans-activation capability of the herpesvirus 1 trans-acting transcriptional protein ICP0/VMW110 during HSV-1 infection. Involved in maintenance of DNA methylation via its interaction with UHRF1 and DNMT1: acts by mediating deubiquitination of UHRF1 and DNMT1, preventing their degradation and promoting DNA methylation by DNMT1. Exhibits a preference towards 'Lys-48'-linked Ubiquitin chains.<ref>PMID:11923872</ref> <ref>PMID:14506283</ref> <ref>PMID:15053880</ref> <ref>PMID:16160161</ref> <ref>PMID:16964248</ref> <ref>PMID:18716620</ref> <ref>PMID:18590780</ref> <ref>PMID:20153724</ref> <ref>PMID:21745816</ref> <ref>PMID:22411829</ref> <ref>PMID:22689415</ref> <ref>PMID:22466611</ref> <ref>PMID:22466612</ref> | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Ubiquitinyl hydrolase 1]] | |||
[[Category: Ioannidis, S]] | |||
[[Category: Kessler, B M]] | |||
[[Category: Komander, D]] | |||
[[Category: Krajewski, W W]] | |||
[[Category: Turnbull, A P]] | |||
[[Category: Deubiquitination]] | |||
[[Category: Hydrolase]] |
Revision as of 10:09, 18 October 2017
Crystal structure of a deubiquitinase in complex with a reversible inhibitorCrystal structure of a deubiquitinase in complex with a reversible inhibitor
Structural highlights
Function[UBP7_HUMAN] Hydrolase that deubiquitinates target proteins such as FOXO4, p53/TP53, MDM2, ERCC6, DNMT1, UHRF1, PTEN and DAXX. Together with DAXX, prevents MDM2 self-ubiquitination and enhances the E3 ligase activity of MDM2 towards p53/TP53, thereby promoting p53/TP53 ubiquitination and proteasomal degradation. Deubiquitinates p53/TP53 and MDM2 and strongly stabilizes p53/TP53 even in the presence of excess MDM2, and also induces p53/TP53-dependent cell growth repression and apoptosis. Deubiquitination of FOXO4 in presence of hydrogen peroxide is not dependent on p53/TP53 and inhibits FOXO4-induced transcriptional activity. In association with DAXX, is involved in the deubiquitination and translocation of PTEN from the nucleus to the cytoplasm, both processes that are counteracted by PML. Involved in cell proliferation during early embryonic development. Involved in transcription-coupled nucleotide excision repair (TC-NER) in response to UV damage: recruited to DNA damage sites following interaction with KIAA1530/UVSSA and promotes deubiquitination of ERCC6, preventing UV-induced degradation of ERCC6. Contributes to the overall stabilization and trans-activation capability of the herpesvirus 1 trans-acting transcriptional protein ICP0/VMW110 during HSV-1 infection. Involved in maintenance of DNA methylation via its interaction with UHRF1 and DNMT1: acts by mediating deubiquitination of UHRF1 and DNMT1, preventing their degradation and promoting DNA methylation by DNMT1. Exhibits a preference towards 'Lys-48'-linked Ubiquitin chains.[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] References
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