KPNA4
Importin subunit alpha-3
Protein-coding gene in the species Homo sapiens
Importin subunit alpha-3, also known as karyopherin subunit alpha-4, is a protein that in humans is encoded by the KPNA4 gene.[5][6]
Quick Facts KPNA4, Available structures ...
| KPNA4 | |||||||||||||||||||||||||||||||||||||||||||||||||||
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| Aliases | KPNA4, IPOA3, QIP1, SRP3, karyopherin subunit alpha 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| External IDs | OMIM: 602970 MGI: 1100848 HomoloGene: 20521 GeneCards: KPNA4 | ||||||||||||||||||||||||||||||||||||||||||||||||||
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The nuclear import of karyophilic proteins is directed by short amino acid sequences termed nuclear localization signals (NLSs). Karyopherins, or importins, are cytoplasmic proteins that recognize NLSs and dock NLS-containing proteins to the nuclear pore complex. The protein encoded by this gene shares the sequence similarity with Xenopus importin-alpha and Saccharomyces cerevisiae Srp1. This protein is found to interact with the NLSs of DNA helicase Q1 and SV40 T antigen.[7]
KPNA4 has been shown to interact with RECQL[5] and STAT3.[8]
- "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- Seki T, Tada S, Katada T, Enomoto T (May 1997). "Cloning of a cDNA encoding a novel importin-alpha homologue, Qip1: discrimination of Qip1 and Rch1 from hSrp1 by their ability to interact with DNA helicase Q1/RecQL". Biochemical and Biophysical Research Communications. 234 (1): 48–53. doi:10.1006/bbrc.1997.6535. PMID 9168958.
- Köhler M, Ansieau S, Prehn S, Leutz A, Haller H, Hartmann E (Nov 1997). "Cloning of two novel human importin-alpha subunits and analysis of the expression pattern of the importin-alpha protein family". FEBS Letters. 417 (1): 104–8. doi:10.1016/S0014-5793(97)01265-9. PMID 9395085. S2CID 84237136.
- Liu L, McBride KM, Reich NC (Jun 2005). "STAT3 nuclear import is independent of tyrosine phosphorylation and mediated by importin-alpha3". Proc Natl Acad Sci U S A. 102 (23): 8150–5. Bibcode:2005PNAS..102.8150L. doi:10.1073/pnas.0501643102. PMC 1149424. PMID 15919823.
- Bukrinsky MI, Haffar OK (Dec 1997). "HIV-1 nuclear import: in search of a leader". Frontiers in Bioscience. 2 (4): d578–87. doi:10.2741/A213. PMID 9366553.
- Bukrinsky MI, Haffar OK (Mar 1998). "HIV-1 nuclear import: matrix protein is back on center stage, this time together with Vpr". Molecular Medicine. 4 (3): 138–43. doi:10.1007/BF03401911. PMC 2230352. PMID 9562972.
- Bukrinsky MI, Sharova N, Dempsey MP, Stanwick TL, Bukrinskaya AG, Haggerty S, Stevenson M (Jul 1992). "Active nuclear import of human immunodeficiency virus type 1 preintegration complexes". Proceedings of the National Academy of Sciences of the United States of America. 89 (14): 6580–4. Bibcode:1992PNAS...89.6580B. doi:10.1073/pnas.89.14.6580. PMC 49545. PMID 1631159.
- Sharova N, Bukrinskaya A (Mar 1991). "p17 and p17-containing gag precursors of input human immunodeficiency virus are transported into the nuclei of infected cells". AIDS Research and Human Retroviruses. 7 (3): 303–6. doi:10.1089/aid.1991.7.303. PMID 2064827.
- Di Marzio P, Choe S, Ebright M, Knoblauch R, Landau NR (Dec 1995). "Mutational analysis of cell cycle arrest, nuclear localization and virion packaging of human immunodeficiency virus type 1 Vpr". Journal of Virology. 69 (12): 7909–16. doi:10.1128/JVI.69.12.7909-7916.1995. PMC 189735. PMID 7494303.
- Gallay P, Swingler S, Song J, Bushman F, Trono D (Nov 1995). "HIV nuclear import is governed by the phosphotyrosine-mediated binding of matrix to the core domain of integrase". Cell. 83 (4): 569–76. doi:10.1016/0092-8674(95)90097-7. PMID 7585960. S2CID 15536328.
- Freed EO, Englund G, Martin MA (Jun 1995). "Role of the basic domain of human immunodeficiency virus type 1 matrix in macrophage infection". Journal of Virology. 69 (6): 3949–54. doi:10.1128/JVI.69.6.3949-3954.1995. PMC 189124. PMID 7745752.
- Gallay P, Swingler S, Aiken C, Trono D (Feb 1995). "HIV-1 infection of nondividing cells: C-terminal tyrosine phosphorylation of the viral matrix protein is a key regulator". Cell. 80 (3): 379–88. doi:10.1016/0092-8674(95)90488-3. PMID 7859280. S2CID 15064293.
- von Schwedler U, Kornbluth RS, Trono D (Jul 1994). "The nuclear localization signal of the matrix protein of human immunodeficiency virus type 1 allows the establishment of infection in macrophages and quiescent T lymphocytes". Proceedings of the National Academy of Sciences of the United States of America. 91 (15): 6992–6. Bibcode:1994PNAS...91.6992V. doi:10.1073/pnas.91.15.6992. PMC 44324. PMID 8041734.
- Heinzinger NK, Bukrinsky MI, Haggerty SA, Ragland AM, Kewalramani V, Lee MA, Gendelman HE, Ratner L, Stevenson M, Emerman M (Jul 1994). "The Vpr protein of human immunodeficiency virus type 1 influences nuclear localization of viral nucleic acids in nondividing host cells". Proceedings of the National Academy of Sciences of the United States of America. 91 (15): 7311–5. Bibcode:1994PNAS...91.7311H. doi:10.1073/pnas.91.15.7311. PMC 44389. PMID 8041786.
- Bukrinsky MI, Haggerty S, Dempsey MP, Sharova N, Adzhubel A, Spitz L, Lewis P, Goldfarb D, Emerman M, Stevenson M (Oct 1993). "A nuclear localization signal within HIV-1 matrix protein that governs infection of non-dividing cells". Nature. 365 (6447): 666–9. Bibcode:1993Natur.365..666B. doi:10.1038/365666a0. PMC 9524217. PMID 8105392. S2CID 25678.
- Dubrovsky L, Ulrich P, Nuovo GJ, Manogue KR, Cerami A, Bukrinsky M (Jan 1995). "Nuclear localization signal of HIV-1 as a novel target for therapeutic intervention". Molecular Medicine. 1 (2): 217–30. doi:10.1007/BF03401569. PMC 2229944. PMID 8529100.
- Gallay P, Stitt V, Mundy C, Oettinger M, Trono D (Feb 1996). "Role of the karyopherin pathway in human immunodeficiency virus type 1 nuclear import". Journal of Virology. 70 (2): 1027–32. doi:10.1128/JVI.70.2.1027-1032.1996. PMC 189908. PMID 8551560.
- Bukrinskaya AG, Ghorpade A, Heinzinger NK, Smithgall TE, Lewis RE, Stevenson M (Jan 1996). "Phosphorylation-dependent human immunodeficiency virus type 1 infection and nuclear targeting of viral DNA". Proceedings of the National Academy of Sciences of the United States of America. 93 (1): 367–71. Bibcode:1996PNAS...93..367B. doi:10.1073/pnas.93.1.367. PMC 40239. PMID 8552640.
- Sato A, Yoshimoto J, Isaka Y, Miki S, Suyama A, Adachi A, Hayami M, Fujiwara T, Yoshie O (Jun 1996). "Evidence for direct association of Vpr and matrix protein p17 within the HIV-1 virion". Virology. 220 (1): 208–12. doi:10.1006/viro.1996.0302. PMID 8659115.
- Popov S, Dubrovsky L, Lee MA, Pennathur S, Haffar O, aL-Abed Y, Tonge P, Ulrich P, Rexach M, Blobel G, Cerami A, Bukrinsky M (Oct 1996). "Critical role of reverse transcriptase in the inhibitory mechanism of CNI-H0294 on HIV-1 nuclear translocation". Proceedings of the National Academy of Sciences of the United States of America. 93 (21): 11859–64. Bibcode:1996PNAS...9311859P. doi:10.1073/pnas.93.21.11859. PMC 38149. PMID 8876228.
- Freed EO, Englund G, Maldarelli F, Martin MA (Jan 1997). "Phosphorylation of residue 131 of HIV-1 matrix is not required for macrophage infection". Cell. 88 (2): 171–3, discussion 173–4. doi:10.1016/S0092-8674(00)81836-X. PMID 9008157. S2CID 14097368.
- Gallay P, Hope T, Chin D, Trono D (Sep 1997). "HIV-1 infection of nondividing cells through the recognition of integrase by the importin/karyopherin pathway". Proceedings of the National Academy of Sciences of the United States of America. 94 (18): 9825–30. Bibcode:1997PNAS...94.9825G. doi:10.1073/pnas.94.18.9825. PMC 23276. PMID 9275210.
- Besançon F, Just J, Bourgeade MF, Van Weyenbergh J, Solomon D, Guillozo H, Wietzerbin J, Cayre YE (Aug 1997). "HIV-1 p17 and IFN-gamma both induce fructose 1,6-bisphosphatase". Journal of Interferon & Cytokine Research. 17 (8): 461–7. doi:10.1089/jir.1997.17.461. PMID 9282826.
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