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词条 PSME1
释义

  1. Function

  2. Interactions

  3. References

  4. Further reading

{{Infobox_gene}}Proteasome activator complex subunit 1 is a protein that in humans is encoded by the PSME1 gene.[1][2]

Function

The 26S proteasome is a multicatalytic proteinase complex with a highly ordered structure composed of 2 complexes, a 20S core and a 19S regulator. The 20S core is composed of 4 rings of 28 non-identical subunits; 2 rings are composed of 7 alpha subunits and 2 rings are composed of 7 beta subunits. The 19S regulator is composed of a base, which contains 6 ATPase subunits and 2 non-ATPase subunits, and a lid, which contains up to 10 non-ATPase subunits. Proteasomes are distributed throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. An essential function of a modified proteasome, the immunoproteasome, is the processing of class I MHC peptides. The immunoproteasome contains an alternate regulator, referred to as the 11S regulator or PA28, that replaces the 19S regulator. Three subunits (alpha, beta and gamma) of the 11S regulator have been identified. This gene encodes the alpha subunit of the 11S regulator, one of the two 11S subunits that is induced by gamma-interferon. Three alpha and three beta subunits combine to form a heterohexameric ring. Two transcripts encoding different isoforms have been identified.[2]

Interactions

PSME1 has been shown to interact with:

  • Emerin[3] and
  • PSME2.[4][5]

References

1. ^{{cite journal | vauthors = Honoré B, Leffers H, Madsen P, Celis JE | title = Interferon-gamma up-regulates a unique set of proteins in human keratinocytes. Molecular cloning and expression of the cDNA encoding the RGD-sequence-containing protein IGUP I-5111 | journal = Eur J Biochem | volume = 218 | issue = 2 | pages = 421–30 | date = Feb 1994 | pmid = 8269930 | pmc = | doi = 10.1111/j.1432-1033.1993.tb18392.x }}
2. ^1 {{cite web | title = Entrez Gene: PSME1 proteasome (prosome, macropain) activator subunit 1 (PA28 alpha)| url = https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=5720| accessdate = }}
3. ^{{cite journal | vauthors = Wilkinson FL, Holaska JM, Zhang Z, Sharma A, Manilal S, Holt I, Stamm S, Wilson KL, Morris GE | title = Emerin interacts in vitro with the splicing-associated factor, YT521-B | journal = Eur. J. Biochem. | volume = 270 | issue = 11 | pages = 2459–66 | date = Jun 2003 | pmid = 12755701 | doi = 10.1046/j.1432-1033.2003.03617.x}}
4. ^{{cite journal | vauthors = Rual JF, Venkatesan K, Hao T, Hirozane-Kishikawa T, Dricot A, Li N, Berriz GF, Gibbons FD, Dreze M, Ayivi-Guedehoussou N, Klitgord N, Simon C, Boxem M, Milstein S, Rosenberg J, Goldberg DS, Zhang LV, Wong SL, Franklin G, Li S, Albala JS, Lim J, Fraughton C, Llamosas E, Cevik S, Bex C, Lamesch P, Sikorski RS, Vandenhaute J, Zoghbi HY, Smolyar A, Bosak S, Sequerra R, Doucette-Stamm L, Cusick ME, Hill DE, Roth FP, Vidal M | title = Towards a proteome-scale map of the human protein-protein interaction network | journal = Nature | volume = 437 | issue = 7062 | pages = 1173–8 | date = Oct 2005 | pmid = 16189514 | doi = 10.1038/nature04209 | bibcode = 2005Natur.437.1173R }}
5. ^{{cite journal | vauthors = Ahn K, Erlander M, Leturcq D, Peterson PA, Früh K, Yang Y | title = In vivo characterization of the proteasome regulator PA28 | journal = J. Biol. Chem. | volume = 271 | issue = 30 | pages = 18237–42 | date = Jul 1996 | pmid = 8663520 | doi = 10.1074/jbc.271.30.18237}}

Further reading

{{refbegin | 2}}
  • {{cite journal | vauthors = Coux O, Tanaka K, Goldberg AL | title = Structure and functions of the 20S and 26S proteasomes | journal = Annu. Rev. Biochem. | volume = 65 | issue = | pages = 801–47 | year = 1996 | pmid = 8811196 | doi = 10.1146/annurev.bi.65.070196.004101 }}
  • {{cite journal | vauthors = Sijts A, Sun Y, Janek K, Kral S, Paschen A, Schadendorf D, Kloetzel PM | title = The role of the proteasome activator PA28 in MHC class I antigen processing | journal = Mol. Immunol. | volume = 39 | issue = 3–4 | pages = 165–9 | year = 2002 | pmid = 12200048 | doi = 10.1016/S0161-5890(02)00099-8 }}
  • {{cite journal | vauthors = Goff SP | title = Death by deamination: a novel host restriction system for HIV-1 | journal = Cell | volume = 114 | issue = 3 | pages = 281–3 | year = 2003 | pmid = 12914693 | doi = 10.1016/S0092-8674(03)00602-0 }}
  • {{cite journal | vauthors = Rasmussen HH, van Damme J, Puype M, Gesser B, Celis JE, Vandekerckhove J | title = Microsequences of 145 proteins recorded in the two-dimensional gel protein database of normal human epidermal keratinocytes | journal = Electrophoresis | volume = 13 | issue = 12 | pages = 960–9 | year = 1993 | pmid = 1286667 | doi = 10.1002/elps.11501301199 }}
  • {{cite journal | vauthors = Ahn JY, Tanahashi N, Akiyama K, Hisamatsu H, Noda C, Tanaka K, Chung CH, Shibmara N, Willy PJ, Mott JD | title = Primary structures of two homologous subunits of PA28, a gamma-interferon-inducible protein activator of the 20S proteasome | journal = FEBS Lett. | volume = 366 | issue = 1 | pages = 37–42 | year = 1995 | pmid = 7789512 | doi = 10.1016/0014-5793(95)00492-R }}
  • {{cite journal | vauthors = Realini C, Dubiel W, Pratt G, Ferrell K, Rechsteiner M | title = Molecular cloning and expression of a gamma-interferon-inducible activator of the multicatalytic protease | journal = J. Biol. Chem. | volume = 269 | issue = 32 | pages = 20727–32 | year = 1994 | pmid = 8051173 | doi = }}
  • {{cite journal | vauthors = Ahn K, Erlander M, Leturcq D, Peterson PA, Früh K, Yang Y | title = In vivo characterization of the proteasome regulator PA28 | journal = J. Biol. Chem. | volume = 271 | issue = 30 | pages = 18237–42 | year = 1996 | pmid = 8663520 | doi = 10.1074/jbc.271.30.18237 }}
  • {{cite journal | vauthors = Bonaldo MF, Lennon G, Soares MB | title = Normalization and subtraction: two approaches to facilitate gene discovery | journal = Genome Res. | volume = 6 | issue = 9 | pages = 791–806 | year = 1997 | pmid = 8889548 | doi = 10.1101/gr.6.9.791 }}
  • {{cite journal | vauthors = Seeger M, Ferrell K, Frank R, Dubiel W | title = HIV-1 tat inhibits the 20 S proteasome and its 11 S regulator-mediated activation | journal = J. Biol. Chem. | volume = 272 | issue = 13 | pages = 8145–8 | year = 1997 | pmid = 9079628 | doi = 10.1074/jbc.272.13.8145 }}
  • {{cite journal | vauthors = Soza A, Knuehl C, Groettrup M, Henklein P, Tanaka K, Kloetzel PM | title = Expression and subcellular localization of mouse 20S proteasome activator complex PA28 | journal = FEBS Lett. | volume = 413 | issue = 1 | pages = 27–34 | year = 1997 | pmid = 9287111 | doi = 10.1016/S0014-5793(97)00864-8 }}
  • {{cite journal | vauthors = McCusker D, Jones T, Sheer D, Trowsdale J | title = Genetic relationships of the genes encoding the human proteasome beta subunits and the proteasome PA28 complex | journal = Genomics | volume = 45 | issue = 2 | pages = 362–7 | year = 1998 | pmid = 9344661 | doi = 10.1006/geno.1997.4948 }}
  • {{cite journal | vauthors = Johnston SC, Whitby FG, Realini C, Rechsteiner M, Hill CP | title = The proteasome 11S regulator subunit REG alpha (PA28 alpha) is a heptamer | journal = Protein Sci. | volume = 6 | issue = 11 | pages = 2469–73 | year = 1998 | pmid = 9385652 | pmc = 2143584 | doi = 10.1002/pro.5560061123 }}
  • {{cite journal | vauthors = Wang X, Omura S, Szweda LI, Yang Y, Bérard J, Seminaro J, Wu J | title = Rapamycin inhibits proteasome activator expression and proteasome activity | journal = Eur. J. Immunol. | volume = 27 | issue = 11 | pages = 2781–6 | year = 1998 | pmid = 9394799 | doi = 10.1002/eji.1830271106 }}
  • {{cite journal | vauthors = Knowlton JR, Johnston SC, Whitby FG, Realini C, Zhang Z, Rechsteiner M, Hill CP | title = Structure of the proteasome activator REGalpha (PA28alpha) | journal = Nature | volume = 390 | issue = 6660 | pages = 639–43 | year = 1998 | pmid = 9403698 | doi = 10.1038/37670 | bibcode = 1997Natur.390..639K }}
  • {{cite journal | vauthors = Kohda K, Ishibashi T, Shimbara N, Tanaka K, Matsuda Y, Kasahara M | title = Characterization of the mouse PA28 activator complex gene family: complete organizations of the three member genes and a physical map of the approximately 150-kb region containing the alpha- and beta-subunit genes | journal = J. Immunol. | volume = 160 | issue = 10 | pages = 4923–35 | year = 1998 | pmid = 9590240 | doi = }}
  • {{cite journal | vauthors = Madani N, Kabat D | title = An endogenous inhibitor of human immunodeficiency virus in human lymphocytes is overcome by the viral Vif protein | journal = J. Virol. | volume = 72 | issue = 12 | pages = 10251–5 | year = 1998 | pmid = 9811770 | pmc = 110608 | doi = }}
  • {{cite journal | vauthors = Simon JH, Gaddis NC, Fouchier RA, Malim MH | title = Evidence for a newly discovered cellular anti-HIV-1 phenotype | journal = Nat. Med. | volume = 4 | issue = 12 | pages = 1397–400 | year = 1998 | pmid = 9846577 | doi = 10.1038/3987 }}
  • {{cite journal | vauthors = McCusker D, Wilson M, Trowsdale J | title = Organization of the genes encoding the human proteasome activators PA28alpha and beta | journal = Immunogenetics | volume = 49 | issue = 5 | pages = 438–45 | year = 1999 | pmid = 10199920 | doi = 10.1007/s002510050517 }}
{{refend}}{{PDB Gallery|geneid=5720}}{{Proteasome subunits}}{{gene-14-stub}}
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