XPO5
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Exportin-5 (XPO5) is a protein that in humans is encoded by the XPO5 gene.[3][4][5]
Exportin-5 is a member of the karyopherin family.[5] In metazoa, it is involved in transport of pre-microRNA out of the nucleus, where such molecules are generated by the Microprocessor complex, and into the cytoplasm for further processing by the Dicer enzyme.[6][7][8][9]
The plant homolog is called HASTY; although it is known to be required for the miRNA biogenesis pathway, its role in nuclear export is less clear than it is in animals.[10]
Interactions
XPO5 has been shown to interact with ILF3[3] and Ran.[3]
References
- ↑ "Human PubMed Reference:".
- ↑ "Mouse PubMed Reference:".
- 1 2 3 Brownawell AM, Macara IG (Jan 2002). "Exportin-5, a novel karyopherin, mediates nuclear export of double-stranded RNA binding proteins". The Journal of Cell Biology. 156 (1): 53–64. doi:10.1083/jcb.200110082. PMC 2173575
. PMID 11777942. - ↑ Bohnsack MT, Regener K, Schwappach B, Saffrich R, Paraskeva E, Hartmann E, Görlich D (Nov 2002). "Exp5 exports eEF1A via tRNA from nuclei and synergizes with other transport pathways to confine translation to the cytoplasm". The EMBO Journal. 21 (22): 6205–15. doi:10.1093/emboj/cdf613. PMC 137205. PMID 12426392.
- 1 2 "Entrez Gene: XPO5 exportin 5".
- ↑ Yi R, Qin Y, Macara IG, Cullen BR (Dec 2003). "Exportin-5 mediates the nuclear export of pre-microRNAs and short hairpin RNAs". Genes & Development. 17 (24): 3011–6. doi:10.1101/gad.1158803. PMC 305252. PMID 14681208.
- ↑ Wilson RC, Doudna JA (2013). "Molecular mechanisms of RNA interference". Annual Review of Biophysics. 42: 217–39. doi:10.1146/annurev-biophys-083012-130404. PMID 23654304.
- ↑ Siomi H, Siomi MC (May 2010). "Posttranscriptional regulation of microRNA biogenesis in animals". Molecular Cell. 38 (3): 323–32. doi:10.1016/j.molcel.2010.03.013. PMID 20471939.
- ↑ Macias S, Cordiner RA, Cáceres JF (Aug 2013). "Cellular functions of the microprocessor". Biochemical Society Transactions. 41 (4): 838–43. doi:10.1042/BST20130011. PMID 23863141.
- ↑ Voinnet O (Feb 2009). "Origin, biogenesis, and activity of plant microRNAs". Cell. 136 (4): 669–87. doi:10.1016/j.cell.2009.01.046. PMID 19239888.
Further reading
- Calado A, Treichel N, Müller EC, Otto A, Kutay U (Nov 2002). "Exportin-5-mediated nuclear export of eukaryotic elongation factor 1A and tRNA". The EMBO Journal. 21 (22): 6216–24. doi:10.1093/emboj/cdf620. PMC 137209. PMID 12426393.
- Gwizdek C, Ossareh-Nazari B, Brownawell AM, Doglio A, Bertrand E, Macara IG, Dargemont C (Feb 2003). "Exportin-5 mediates nuclear export of minihelix-containing RNAs". The Journal of Biological Chemistry. 278 (8): 5505–8. doi:10.1074/jbc.C200668200. PMID 12509441.
- Gwizdek C, Ossareh-Nazari B, Brownawell AM, Evers S, Macara IG, Dargemont C (Jan 2004). "Minihelix-containing RNAs mediate exportin-5-dependent nuclear export of the double-stranded RNA-binding protein ILF3". The Journal of Biological Chemistry. 279 (2): 884–91. doi:10.1074/jbc.M306808200. PMID 14570900.
- Lund E, Güttinger S, Calado A, Dahlberg JE, Kutay U (Jan 2004). "Nuclear export of microRNA precursors". Science. 303 (5654): 95–8. doi:10.1126/science.1090599. PMID 14631048.
- Bohnsack MT, Czaplinski K, Gorlich D (Feb 2004). "Exportin 5 is a RanGTP-dependent dsRNA-binding protein that mediates nuclear export of pre-miRNAs". RNA. 10 (2): 185–91. doi:10.1261/rna.5167604. PMC 1370530. PMID 14730017.
- Chen T, Brownawell AM, Macara IG (Aug 2004). "Nucleocytoplasmic shuttling of JAZ, a new cargo protein for exportin-5". Molecular and Cellular Biology. 24 (15): 6608–19. doi:10.1128/MCB.24.15.6608-6619.2004. PMC 444848. PMID 15254228.
- Yi R, Doehle BP, Qin Y, Macara IG, Cullen BR (Feb 2005). "Overexpression of exportin 5 enhances RNA interference mediated by short hairpin RNAs and microRNAs". RNA. 11 (2): 220–6. doi:10.1261/rna.7233305. PMC 1370710. PMID 15613540.
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