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SPI1

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Template:PBB Transcription factor PU.1 is a protein that in humans is encoded by the SPI1 gene.[1]

Function

This gene encodes an ETS-domain transcription factor that activates gene expression during myeloid and B-lymphoid cell development.[Citation needed] The nuclear protein binds to a purine-rich sequence known as the PU-box found near the promoters of target genes, and regulates their expression in coordination with other transcription factors and cofactors. The protein can also regulate alternative splicing of target genes. Multiple transcript variants encoding different isoforms have been found for this gene.[2]

Interactions

SPI1 has been shown to interact with:

See also

References

  1. ^ Ray D, Culine S, Tavitain A, Moreau-Gachelin F (July 1990). "The human homologue of the putative proto-oncogene Spi-1: characterization and expression in tumors". Oncogene. 5 (5): 663–8. PMID 1693183.
  2. ^ "Entrez Gene: SPI1 spleen focus forming virus (SFFV) proviral integration oncogene spi1".
  3. ^ Hallier M, Lerga A, Barnache S, Tavitian A, Moreau-Gachelin F (February 1998). "The transcription factor Spi-1/PU.1 interacts with the potential splicing factor TLS". J. Biol. Chem. 273 (9): 4838–42. doi:10.1074/jbc.273.9.4838. PMID 9478924.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  4. ^ Zhang P, Behre G, Pan J, Iwama A, Wara-Aswapati N, Radomska HS, Auron PE, Tenen DG, Sun Z (July 1999). "Negative cross-talk between hematopoietic regulators: GATA proteins repress PU.1". Proc. Natl. Acad. Sci. U.S.A. 96 (15): 8705–10. doi:10.1073/pnas.96.15.8705. PMC 17580. PMID 10411939.
  5. ^ Brass AL, Zhu AQ, Singh H (February 1999). "Assembly requirements of PU.1-Pip (IRF-4) activator complexes: inhibiting function in vivo using fused dimers". EMBO J. 18 (4): 977–91. doi:10.1093/emboj/18.4.977. PMC 1171190. PMID 10022840.
  6. ^ Escalante CR, Shen L, Escalante MC, Brass AL, Edwards TA, Singh H, Aggarwal AK (July 2002). "Crystallization and characterization of PU.1/IRF-4/DNA ternary complex". J. Struct. Biol. 139 (1): 55–9. doi:10.1016/s1047-8477(02)00514-2. PMID 12372320.
  7. ^ Hallier M, Tavitian A, Moreau-Gachelin F (May 1996). "The transcription factor Spi-1/PU.1 binds RNA and interferes with the RNA-binding protein p54nrb". J. Biol. Chem. 271 (19): 11177–81. doi:10.1074/jbc.271.19.11177. PMID 8626664.{{cite journal}}: CS1 maint: unflagged free DOI (link)

Further reading