5vhq

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(New page: '''Unreleased structure''' The entry 5vhq is ON HOLD Authors: Lu, Y., Wu, J., Dong, Y., Chen, S., Sun, S., Ma, Y.B., Ouyang, Q., Finley, D., Kirschner, M.W., Mao, Y. Description: Confo...)
Current revision (14:10, 13 March 2024) (edit) (undo)
 
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'''Unreleased structure'''
 
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The entry 5vhq is ON HOLD
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==Conformational Landscape of the p28-Bound Human Proteasome Regulatory Particle==
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<SX load='5vhq' size='340' side='right' viewer='molstar' caption='[[5vhq]], [[Resolution|resolution]] 8.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[5vhq]] is a 8 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5VHQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5VHQ 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">Electron Microscopy, [[Resolution|Resolution]] 8.9&#8491;</td></tr>
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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=5vhq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5vhq OCA], [https://pdbe.org/5vhq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5vhq RCSB], [https://www.ebi.ac.uk/pdbsum/5vhq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5vhq ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PSD10_HUMAN PSD10_HUMAN] Acts as a chaperone during the assembly of the 26S proteasome, specifically of the PA700/19S regulatory complex (RC). In the initial step of the base subcomplex assembly is part of an intermediate PSMD10:PSMC4:PSMC5:PAAF1 module which probably assembles with a PSMD5:PSMC2:PSMC1:PSMD2 module. Independently of the proteasome, regulates EGF-induced AKT activation through inhibition of the RHOA/ROCK/PTEN pahway, leading to prolonged AKT activation. Plays an important role in RAS-induced tumorigenesis.<ref>PMID:10613832</ref> <ref>PMID:11900540</ref> <ref>PMID:11779854</ref> <ref>PMID:16023600</ref> <ref>PMID:18040287</ref> <ref>PMID:19490896</ref> <ref>PMID:19729910</ref> <ref>PMID:20628200</ref> Acts as an proto-oncoprotein by being involved in negative regulation of tumor suppressors RB1 and p53/TP53. Overexpression is leading to phosphorylation of RB1 and proteasomal degradation of RB1. Regulates CDK4-mediated phosphorylation of RB1 by competing with CDKN2A for binding with CDK4. Facilitates binding of MDM2 to p53/TP53 and the mono- and polyubiquitination of p53/TP53 by MDM2 suggesting a function in targeting the TP53:MDM2 complex to the 26S proteasome. Involved in p53-independent apoptosis. Involved in regulation of NF-kappa-B by retaining it in the cytoplasm. Binds to the NF-kappa-B component RELA and accelerates its XPO1/CRM1-mediated nuclear export.<ref>PMID:10613832</ref> <ref>PMID:11900540</ref> <ref>PMID:11779854</ref> <ref>PMID:16023600</ref> <ref>PMID:18040287</ref> <ref>PMID:19490896</ref> <ref>PMID:19729910</ref> <ref>PMID:20628200</ref>
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Authors: Lu, Y., Wu, J., Dong, Y., Chen, S., Sun, S., Ma, Y.B., Ouyang, Q., Finley, D., Kirschner, M.W., Mao, Y.
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==See Also==
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*[[Ankyrin 3D structures|Ankyrin 3D structures]]
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Description: Conformational Landscape of the p28-Bound Human Proteasome Regulatory Particle
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*[[Proteasome 3D structures|Proteasome 3D structures]]
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[[Category: Unreleased Structures]]
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== References ==
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[[Category: Ma, Y.B]]
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<references/>
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[[Category: Kirschner, M.W]]
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__TOC__
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[[Category: Lu, Y]]
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</SX>
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[[Category: Ouyang, Q]]
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[[Category: Homo sapiens]]
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[[Category: Wu, J]]
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[[Category: Large Structures]]
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[[Category: Mao, Y]]
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[[Category: Chen S]]
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[[Category: Chen, S]]
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[[Category: Dong Y]]
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[[Category: Sun, S]]
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[[Category: Finley D]]
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[[Category: Dong, Y]]
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[[Category: Kirschner MW]]
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[[Category: Finley, D]]
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[[Category: Lu Y]]
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[[Category: Ma YB]]
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[[Category: Mao Y]]
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[[Category: Ouyang Q]]
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[[Category: Sun S]]
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[[Category: Wu J]]

Current revision

Conformational Landscape of the p28-Bound Human Proteasome Regulatory Particle

5vhq, resolution 8.90Å

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