PPM1B

Protein phosphatase 1B is an enzyme that in humans is encoded by the PPM1B gene.[5][6]

PPM1B
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesPPM1B, PP2C-beta, PP2C-beta-X, PP2CB, PP2CBETA, PPC2BETAX, protein phosphatase, Mg2+/Mn2+ dependent 1B
External IDsOMIM: 603770 MGI: 101841 HomoloGene: 2027 GeneCards: PPM1B
Gene location (Human)
Chr.Chromosome 2 (human)[1]
Band2p21Start44,167,969 bp[1]
End44,244,384 bp[1]
RNA expression pattern
More reference expression data
Orthologs
SpeciesHumanMouse
Entrez

5495

19043

Ensembl

ENSG00000138032

ENSMUSG00000061130

UniProt

O75688

P36993

RefSeq (mRNA)

NM_001033556
NM_001033557
NM_002706
NM_177968
NM_177969

NM_001159496
NM_001159497
NM_001159498
NM_011151

RefSeq (protein)

NP_001028729
NP_002697
NP_808907
NP_808908

NP_001152968
NP_001152969
NP_001152970
NP_035281

Location (UCSC)Chr 2: 44.17 – 44.24 MbChr 17: 84.96 – 85.02 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Function

The protein encoded by this gene is a member of the PP2C family of Ser/Thr protein phosphatases. PP2C family members are known to be negative regulators of cell stress response pathways. This phosphatase has been shown to dephosphorylate cyclin-dependent kinases (CDKs), and thus may be involved in cell cycle control. Overexpression of this phosphatase is reported to cause cell-growth arrest or cell death. Alternative splicing results in multiple transcript variants encoding different isoforms. Additional transcript variants have been described, but currently do not represent full-length sequences.[6]

Interactions

PPM1B has been shown to interact with:

gollark: The preprocessor is one of C's redeeming qualities honestly.
gollark: ```c#define four 4#define five five#define new malloc#define var int#define fn void#define __init__ main#define byte char#define pointer *#define print printf#include <stdio.h>fn __init__() { byte pointer five = new(four); print("Hello, World!");}```
gollark: tio!debug
gollark: ```c#define four 4#define new malloc#define var int#define fn void#define __init__ main#define byte char#define pointer *#define print printf#include <stdio.h>fn __init__() { byte * ☭ = new(four); print("Hello, World!");}```
gollark: bee.

References

  1. GRCh38: Ensembl release 89: ENSG00000138032 - Ensembl, May 2017
  2. GRCm38: Ensembl release 89: ENSMUSG00000061130 - Ensembl, May 2017
  3. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. Marley AE, Kline A, Crabtree G, Sullivan JE, Beri RK (August 1998). "The cloning expression and tissue distribution of human PP2Cbeta". FEBS Lett. 431 (1): 121–4. doi:10.1016/S0014-5793(98)00708-X. PMID 9684878.
  6. "Entrez Gene: PPM1B protein phosphatase 1B (formerly 2C), magnesium-dependent, beta isoform".
  7. Cheng A, Kaldis P, Solomon MJ (November 2000). "Dephosphorylation of human cyclin-dependent kinases by protein phosphatase type 2C alpha and beta 2 isoforms". J. Biol. Chem. 275 (44): 34744–9. doi:10.1074/jbc.M006210200. PMID 10934208.
  8. Prajapati S, Verma U, Yamamoto Y, Kwak YT, Gaynor RB (January 2004). "Protein phosphatase 2Cbeta association with the IkappaB kinase complex is involved in regulating NF-kappaB activity". J. Biol. Chem. 279 (3): 1739–46. doi:10.1074/jbc.M306273200. PMID 14585847.
  9. Hanada M, Ninomiya-Tsuji J, Komaki K, Ohnishi M, Katsura K, Kanamaru R, Matsumoto K, Tamura S (February 2001). "Regulation of the TAK1 signaling pathway by protein phosphatase 2C". J. Biol. Chem. 276 (8): 5753–9. doi:10.1074/jbc.M007773200. PMID 11104763.
  10. Tasdelen I, van Beekum O, Gorbenko O, Fleskens V, van den Broek NJ, Koppen A, Hamers N, Berger R, Coffer PJ, Brenkman AB, Kalkhoven E. "The serine/threonine phosphatase PPM1B (PP2Cβ) selectively modulates PPARγ activity". Biochem. J. 451 (1): 45–53. doi:10.1042/BJ20121113. PMID 23320500.

Further reading


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