RASA4: Difference between revisions
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'''Ras GTPase-activating protein 4''' is an [[enzyme]] that in humans is encoded by the ''RASA4'' [[gene]].<ref name="pmid11448776">{{cite journal | vauthors = Lockyer PJ, Kupzig S, Cullen PJ | title = CAPRI regulates Ca(2+)-dependent inactivation of the Ras-MAPK pathway | journal = Curr Biol | volume = 11 | issue = 12 | pages = 981–6 |date=Jul 2001 | pmid = 11448776 | pmc = | doi =10.1016/S0960-9822(01)00261-5 }}</ref><ref name="entrez">{{cite web | title = Entrez Gene: RASA4 RAS p21 protein activator 4| url = https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=10156| accessdate = }}</ref> | '''Ras GTPase-activating protein 4''' is an [[enzyme]] that in humans is encoded by the ''RASA4'' [[gene]].<ref name="pmid11448776">{{cite journal | vauthors = Lockyer PJ, Kupzig S, Cullen PJ | title = CAPRI regulates Ca(2+)-dependent inactivation of the Ras-MAPK pathway | journal = Curr Biol | volume = 11 | issue = 12 | pages = 981–6 |date=Jul 2001 | pmid = 11448776 | pmc = | doi =10.1016/S0960-9822(01)00261-5 }}</ref><ref name="entrez">{{cite web | title = Entrez Gene: RASA4 RAS p21 protein activator 4| url = https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=10156| accessdate = }}</ref> | ||
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{{PBB_Summary | {{PBB_Summary | ||
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| summary_text = This gene encodes a member of the GAP1 family of GTPase-activating proteins that suppresses the Ras/mitogen-activated protein kinase pathway in response to Ca(2+). Stimuli that increase intracellular Ca(2+) levels result in the translocation of this protein to the plasma membrane, where it activates | | summary_text = This gene encodes a member of the GAP1 family of [[GTPase-activating proteins]] that suppresses the Ras/mitogen-activated [[protein kinase]] pathway in response to Ca(2+). Stimuli that increase intracellular [[Ca(2+)]] levels result in the translocation of this protein to the [[plasma membrane]], where it activates as GTPase activity. Consequently, Ras is converted from the active GTP-bound state to the inactive GDP-bound state and no longer activates downstream pathways that regulate [[gene expression]], [[cell growth]], and [[cellular differentiation|differentiation]]. Multiple transcript variants encoding different [[isoforms]] have been found for this gene.<ref name="entrez">{{cite web | title = Entrez Gene: RASA4 RAS p21 protein activator 4| url = https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=10156| accessdate = }}</ref> | ||
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Latest revision as of 14:54, 20 February 2018
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Ras GTPase-activating protein 4 is an enzyme that in humans is encoded by the RASA4 gene.[1][2]
This gene encodes a member of the GAP1 family of GTPase-activating proteins that suppresses the Ras/mitogen-activated protein kinase pathway in response to Ca(2+). Stimuli that increase intracellular Ca(2+) levels result in the translocation of this protein to the plasma membrane, where it activates as GTPase activity. Consequently, Ras is converted from the active GTP-bound state to the inactive GDP-bound state and no longer activates downstream pathways that regulate gene expression, cell growth, and differentiation. Multiple transcript variants encoding different isoforms have been found for this gene.[2]
References
- ↑ Lockyer PJ, Kupzig S, Cullen PJ (Jul 2001). "CAPRI regulates Ca(2+)-dependent inactivation of the Ras-MAPK pathway". Curr Biol. 11 (12): 981–6. doi:10.1016/S0960-9822(01)00261-5. PMID 11448776.
- ↑ 2.0 2.1 "Entrez Gene: RASA4 RAS p21 protein activator 4".
Further reading
- Nagase T, Ishikawa K, Miyajima N, et al. (1998). "Prediction of the coding sequences of unidentified human genes. IX. The complete sequences of 100 new cDNA clones from brain which can code for large proteins in vitro". DNA Res. 5 (1): 31–9. doi:10.1093/dnares/5.1.31. PMID 9628581.
- Minagawa T, Fukuda M, Mikoshiba K (2001). "Distinct phosphoinositide binding specificity of the GAP1 family proteins: characterization of the pleckstrin homology domains of MRASAL and KIAA0538". Biochem. Biophys. Res. Commun. 288 (1): 87–90. doi:10.1006/bbrc.2001.5740. PMID 11594756.
- Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
- Hillier LW, Fulton RS, Fulton LA, et al. (2003). "The DNA sequence of human chromosome 7". Nature. 424 (6945): 157–64. doi:10.1038/nature01782. PMID 12853948.
- Ota T, Suzuki Y, Nishikawa T, et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID 14702039.
- Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
- Liu Q, Walker SA, Gao D, et al. (2005). "CAPRI and RASAL impose different modes of information processing on Ras due to contrasting temporal filtering of Ca2+". J. Cell Biol. 170 (2): 183–90. doi:10.1083/jcb.200504167. PMC 1351313. PMID 16009725.
- Kimura K, Wakamatsu A, Suzuki Y, et al. (2006). "Diversification of transcriptional modulation: large-scale identification and characterization of putative alternative promoters of human genes". Genome Res. 16 (1): 55–65. doi:10.1101/gr.4039406. PMC 1356129. PMID 16344560.
External links
- RASA4 human gene location in the UCSC Genome Browser.
- RASA4 human gene details in the UCSC Genome Browser.
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