PPP2R2B: Difference between revisions
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{{ | '''Serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B beta isoform''' is an [[enzyme]] that in humans is encoded by the ''PPP2R2B'' [[gene]].<ref name="pmid1849734">{{cite journal | vauthors = Mayer RE, Hendrix P, Cron P, Matthies R, Stone SR, Goris J, Merlevede W, Hofsteenge J, Hemmings BA | title = Structure of the 55-kDa regulatory subunit of protein phosphatase 2A: evidence for a neuronal-specific isoform | journal = Biochemistry | volume = 30 | issue = 15 | pages = 3589–97 |date=May 1991 | pmid = 1849734 | pmc = | doi =10.1021/bi00229a001 }}</ref><ref name="pmid10581021">{{cite journal | vauthors = Holmes SE, O'Hearn EE, McInnis MG, Gorelick-Feldman DA, Kleiderlein JJ, Callahan C, Kwak NG, Ingersoll-Ashworth RG, Sherr M, Sumner AJ, Sharp AH, Ananth U, Seltzer WK, Boss MA, Vieria-Saecker AM, Epplen JT, Riess O, Ross CA, Margolis RL | title = Expansion of a novel CAG trinucleotide repeat in the 5' region of PPP2R2B is associated with SCA12 | journal = Nat Genet | volume = 23 | issue = 4 | pages = 391–2 |date=Dec 1999 | pmid = 10581021 | pmc = | doi = 10.1038/70493 }}</ref> | ||
}} | |||
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{{ | {{PBB Summary | ||
| section_title = | | section_title = | ||
| summary_text = The product of this gene belongs to the phosphatase | | summary_text = The product of this gene belongs to the phosphatase 2regulatory subunit B family. Protein phosphatase 2 is one of the four major [[Serine|Ser]]/[[Threonine|Thr]] phosphatases, and it is implicated in the negative control of [[cell growth]] and [[Cell division|division]]. It consists of a common [[heteromeric]] core enzyme, which is composed of a [[catalytic]] subunit and a constant regulatory subunit, that associates with a variety of regulatory subunits. The B regulatory subunit might modulate [[substrate (biochemistry)|substrate]] selectivity and catalytic activity. This gene encodes a beta [[isoform]] of the regulatory subunit B55 subfamily. Defects in the 5' UTR of this gene may cause a rare form of [[autosomal dominant]] [[Spinocerebellar ataxia|spinocerebellar ataxia 12]].<ref name="entrez">{{cite web | title = Entrez Gene: PPP2R2B protein phosphatase 2 (formerly 2A), regulatory subunit B, beta isoform| url = https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=5521| accessdate = }}</ref> | ||
}} | }} | ||
==References== | ==References== | ||
{{ | {{Reflist}} | ||
==Further reading== | ==Further reading== | ||
{{refbegin | 2}} | {{refbegin | 2}} | ||
{{PBB_Further_reading | {{PBB_Further_reading | ||
| citations = | | citations = | ||
*{{cite journal | | *{{cite journal | vauthors=Millward TA, Zolnierowicz S, Hemmings BA |title=Regulation of protein kinase cascades by protein phosphatase 2A. |journal=Trends Biochem. Sci. |volume=24 |issue= 5 |pages= 186–91 |year= 1999 |pmid= 10322434 |doi=10.1016/S0968-0004(99)01375-4 }} | ||
*{{cite journal | | *{{cite journal | vauthors=Andersen JL, Planelles V |title=The role of Vpr in HIV-1 pathogenesis. |journal=Curr. HIV Res. |volume=3 |issue= 1 |pages= 43–51 |year= 2005 |pmid= 15638722 |doi=10.2174/1570162052772988 }} | ||
*{{cite journal | | *{{cite journal | vauthors=Le Rouzic E, Benichou S |title=The Vpr protein from HIV-1: distinct roles along the viral life cycle. |journal=Retrovirology |volume=2 |issue= |pages= 11 |year= 2006 |pmid= 15725353 |doi= 10.1186/1742-4690-2-11 | pmc=554975 }} | ||
*{{cite journal | | *{{cite journal | vauthors=Zhao RY, Elder RT |title=Viral infections and cell cycle G2/M regulation. |journal=Cell Res. |volume=15 |issue= 3 |pages= 143–9 |year= 2005 |pmid= 15780175 |doi= 10.1038/sj.cr.7290279 }} | ||
*{{cite journal | | *{{cite journal | vauthors=Zhao RY, Bukrinsky M, Elder RT |title=HIV-1 viral protein R (Vpr) & host cellular responses. |journal=Indian J. Med. Res. |volume=121 |issue= 4 |pages= 270–86 |year= 2005 |pmid= 15817944 |doi= }} | ||
*{{cite journal | | *{{cite journal | vauthors=Schalling M, Hudson TJ, Buetow KH, Housman DE |title=Direct detection of novel expanded trinucleotide repeats in the human genome. |journal=Nat. Genet. |volume=4 |issue= 2 |pages= 135–9 |year= 1993 |pmid= 8348150 |doi= 10.1038/ng0693-135 }} | ||
*{{cite journal |vauthors=Tung HY, De Rocquigny H, Zhao LJ, etal |title=Direct activation of protein phosphatase-2A0 by HIV-1 encoded protein complex NCp7:vpr. |journal=FEBS Lett. |volume=401 |issue= 2–3 |pages= 197–201 |year= 1997 |pmid= 9013886 |doi=10.1016/S0014-5793(96)01470-6 }} | |||
*{{cite journal | *{{cite journal | vauthors=Ruediger R, Brewis N, Ohst K, Walter G |title=Increasing the ratio of PP2A core enzyme to holoenzyme inhibits Tat-stimulated HIV-1 transcription and virus production |journal=Virology |volume=238 |issue= 2 |pages= 432–43 |year= 1998 |pmid= 9400615 |doi= 10.1006/viro.1997.8873 }} | ||
*{{cite journal | | *{{cite journal |vauthors=Strack S, Zaucha JA, Ebner FF, etal |title=Brain protein phosphatase 2A: developmental regulation and distinct cellular and subcellular localization by B subunits |journal=J. Comp. Neurol. |volume=392 |issue= 4 |pages= 515–27 |year= 1998 |pmid= 9514514 |doi=10.1002/(SICI)1096-9861(19980323)392:4<515::AID-CNE8>3.0.CO;2-3 }} | ||
*{{cite journal | *{{cite journal |vauthors=Fujigasaki H, Verma IC, Camuzat A, etal |title=SCA12 is a rare locus for autosomal dominant cerebellar ataxia: a study of an Indian family |journal=Ann. Neurol. |volume=49 |issue= 1 |pages= 117–21 |year= 2001 |pmid= 11198281 |doi=10.1002/1531-8249(200101)49:1<117::AID-ANA19>3.0.CO;2-G }} | ||
*{{cite journal |vauthors=Elder RT, Yu M, Chen M, etal |title=HIV-1 Vpr induces cell cycle G2 arrest in fission yeast (Schizosaccharomyces pombe) through a pathway involving regulatory and catalytic subunits of PP2A and acting on both Wee1 and Cdc25 |journal=Virology |volume=287 |issue= 2 |pages= 359–70 |year= 2001 |pmid= 11531413 |doi= 10.1006/viro.2001.1007 }} | |||
*{{cite journal | vauthors=Guo CY, Brautigan DL, Larner JM |title=ATM-dependent dissociation of B55 regulatory subunit from nuclear PP2A in response to ionizing radiation |journal=J. Biol. Chem. |volume=277 |issue= 7 |pages= 4839–44 |year= 2002 |pmid= 11723136 |doi= 10.1074/jbc.M110092200 }} | |||
*{{cite journal | *{{cite journal |vauthors=Bennin DA, Don AS, Brake T, etal |title=Cyclin G2 associates with protein phosphatase 2A catalytic and regulatory B' subunits in active complexes and induces nuclear aberrations and a G1/S phase cell cycle arrest |journal=J. Biol. Chem. |volume=277 |issue= 30 |pages= 27449–67 |year= 2002 |pmid= 11956189 |doi= 10.1074/jbc.M111693200 }} | ||
*{{cite journal | *{{cite journal |vauthors=Okamoto K, Li H, Jensen MR, etal |title=Cyclin G recruits PP2A to dephosphorylate Mdm2 |journal=Mol. Cell |volume=9 |issue= 4 |pages= 761–71 |year= 2002 |pmid= 11983168 |doi=10.1016/S1097-2765(02)00504-X }} | ||
*{{cite journal | | *{{cite journal |vauthors=Marmorstein LY, McLaughlin PJ, Stanton JB, etal |title=Bestrophin interacts physically and functionally with protein phosphatase 2A |journal=J. Biol. Chem. |volume=277 |issue= 34 |pages= 30591–7 |year= 2002 |pmid= 12058047 |doi= 10.1074/jbc.M204269200 }} | ||
*{{cite journal | *{{cite journal | vauthors=Hrimech M, Yao XJ, Branton PE, Cohen EA |title=Human immunodeficiency virus type 1 Vpr-mediated G(2) cell cycle arrest: Vpr interferes with cell cycle signaling cascades by interacting with the B subunit of serine/threonine protein phosphatase 2A |journal=EMBO J. |volume=21 |issue= 14 |pages= 3918 |year= 2002 |pmid= 12110603 |doi= 10.1093/emboj/cdf420 | pmc=126131 }} | ||
*{{cite journal | |||
*{{cite journal | |||
*{{cite journal | | |||
}} | }} | ||
{{refend}} | {{refend}} | ||
{{ | ==External links== | ||
* [https://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=gene&part=sca12 GeneReviews/NCBI/NIH/UW entry on Spinocerebellar Ataxia Type 12] | |||
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Serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B beta isoform is an enzyme that in humans is encoded by the PPP2R2B gene.[1][2]
The product of this gene belongs to the phosphatase 2regulatory subunit B family. Protein phosphatase 2 is one of the four major Ser/Thr phosphatases, and it is implicated in the negative control of cell growth and division. It consists of a common heteromeric core enzyme, which is composed of a catalytic subunit and a constant regulatory subunit, that associates with a variety of regulatory subunits. The B regulatory subunit might modulate substrate selectivity and catalytic activity. This gene encodes a beta isoform of the regulatory subunit B55 subfamily. Defects in the 5' UTR of this gene may cause a rare form of autosomal dominant spinocerebellar ataxia 12.[3]
References
- ↑ Mayer RE, Hendrix P, Cron P, Matthies R, Stone SR, Goris J, Merlevede W, Hofsteenge J, Hemmings BA (May 1991). "Structure of the 55-kDa regulatory subunit of protein phosphatase 2A: evidence for a neuronal-specific isoform". Biochemistry. 30 (15): 3589–97. doi:10.1021/bi00229a001. PMID 1849734.
- ↑ Holmes SE, O'Hearn EE, McInnis MG, Gorelick-Feldman DA, Kleiderlein JJ, Callahan C, Kwak NG, Ingersoll-Ashworth RG, Sherr M, Sumner AJ, Sharp AH, Ananth U, Seltzer WK, Boss MA, Vieria-Saecker AM, Epplen JT, Riess O, Ross CA, Margolis RL (Dec 1999). "Expansion of a novel CAG trinucleotide repeat in the 5' region of PPP2R2B is associated with SCA12". Nat Genet. 23 (4): 391–2. doi:10.1038/70493. PMID 10581021.
- ↑ "Entrez Gene: PPP2R2B protein phosphatase 2 (formerly 2A), regulatory subunit B, beta isoform".
Further reading
- Millward TA, Zolnierowicz S, Hemmings BA (1999). "Regulation of protein kinase cascades by protein phosphatase 2A". Trends Biochem. Sci. 24 (5): 186–91. doi:10.1016/S0968-0004(99)01375-4. PMID 10322434.
- Andersen JL, Planelles V (2005). "The role of Vpr in HIV-1 pathogenesis". Curr. HIV Res. 3 (1): 43–51. doi:10.2174/1570162052772988. PMID 15638722.
- Le Rouzic E, Benichou S (2006). "The Vpr protein from HIV-1: distinct roles along the viral life cycle". Retrovirology. 2: 11. doi:10.1186/1742-4690-2-11. PMC 554975. PMID 15725353.
- Zhao RY, Elder RT (2005). "Viral infections and cell cycle G2/M regulation". Cell Res. 15 (3): 143–9. doi:10.1038/sj.cr.7290279. PMID 15780175.
- Zhao RY, Bukrinsky M, Elder RT (2005). "HIV-1 viral protein R (Vpr) & host cellular responses". Indian J. Med. Res. 121 (4): 270–86. PMID 15817944.
- Schalling M, Hudson TJ, Buetow KH, Housman DE (1993). "Direct detection of novel expanded trinucleotide repeats in the human genome". Nat. Genet. 4 (2): 135–9. doi:10.1038/ng0693-135. PMID 8348150.
- Tung HY, De Rocquigny H, Zhao LJ, et al. (1997). "Direct activation of protein phosphatase-2A0 by HIV-1 encoded protein complex NCp7:vpr". FEBS Lett. 401 (2–3): 197–201. doi:10.1016/S0014-5793(96)01470-6. PMID 9013886.
- Ruediger R, Brewis N, Ohst K, Walter G (1998). "Increasing the ratio of PP2A core enzyme to holoenzyme inhibits Tat-stimulated HIV-1 transcription and virus production". Virology. 238 (2): 432–43. doi:10.1006/viro.1997.8873. PMID 9400615.
- Strack S, Zaucha JA, Ebner FF, et al. (1998). "Brain protein phosphatase 2A: developmental regulation and distinct cellular and subcellular localization by B subunits". J. Comp. Neurol. 392 (4): 515–27. doi:10.1002/(SICI)1096-9861(19980323)392:4<515::AID-CNE8>3.0.CO;2-3. PMID 9514514.
- Fujigasaki H, Verma IC, Camuzat A, et al. (2001). "SCA12 is a rare locus for autosomal dominant cerebellar ataxia: a study of an Indian family". Ann. Neurol. 49 (1): 117–21. doi:10.1002/1531-8249(200101)49:1<117::AID-ANA19>3.0.CO;2-G. PMID 11198281.
- Elder RT, Yu M, Chen M, et al. (2001). "HIV-1 Vpr induces cell cycle G2 arrest in fission yeast (Schizosaccharomyces pombe) through a pathway involving regulatory and catalytic subunits of PP2A and acting on both Wee1 and Cdc25". Virology. 287 (2): 359–70. doi:10.1006/viro.2001.1007. PMID 11531413.
- Guo CY, Brautigan DL, Larner JM (2002). "ATM-dependent dissociation of B55 regulatory subunit from nuclear PP2A in response to ionizing radiation". J. Biol. Chem. 277 (7): 4839–44. doi:10.1074/jbc.M110092200. PMID 11723136.
- Bennin DA, Don AS, Brake T, et al. (2002). "Cyclin G2 associates with protein phosphatase 2A catalytic and regulatory B' subunits in active complexes and induces nuclear aberrations and a G1/S phase cell cycle arrest". J. Biol. Chem. 277 (30): 27449–67. doi:10.1074/jbc.M111693200. PMID 11956189.
- Okamoto K, Li H, Jensen MR, et al. (2002). "Cyclin G recruits PP2A to dephosphorylate Mdm2". Mol. Cell. 9 (4): 761–71. doi:10.1016/S1097-2765(02)00504-X. PMID 11983168.
- Marmorstein LY, McLaughlin PJ, Stanton JB, et al. (2002). "Bestrophin interacts physically and functionally with protein phosphatase 2A". J. Biol. Chem. 277 (34): 30591–7. doi:10.1074/jbc.M204269200. PMID 12058047.
- Hrimech M, Yao XJ, Branton PE, Cohen EA (2002). "Human immunodeficiency virus type 1 Vpr-mediated G(2) cell cycle arrest: Vpr interferes with cell cycle signaling cascades by interacting with the B subunit of serine/threonine protein phosphatase 2A". EMBO J. 21 (14): 3918. doi:10.1093/emboj/cdf420. PMC 126131. PMID 12110603.
External links
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