PTEN (gene)

PTEN
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesPTEN, 10q23del, BZS, CWS1, DEC, GLM2, MHAM, MMAC1, PTEN1, TEP1, phosphatase and tensin homolog, Phosphatase and tensin homolog, PTENbeta
External IDsOMIM: 601728; MGI: 109583; HomoloGene: 265; GeneCards: PTEN; OMA:PTEN - orthologs
Orthologs
SpeciesHumanMouse
Entrez

5728

19211

Ensembl

ENSG00000171862
ENSG00000284792

ENSMUSG00000013663

UniProt

P60484

O08586

RefSeq (mRNA)

NM_000314
NM_001304717
NM_001304718

NM_008960
NM_177096

RefSeq (protein)

NP_000305
NP_001291646
NP_001291647
NP_000305.3

NP_032986

Location (UCSC)Chr 10: 87.86 – 87.97 MbChr 19: 32.73 – 32.8 Mb
PubMed search
Wikidata
View/Edit HumanView/Edit Mouse

Phosphatase and tensin homolog (PTEN) is a phosphatase in humans and is encoded by the PTEN gene. Mutations of this gene are a step in the development of many cancers, specifically glioblastoma, lung cancer, breast cancer, and prostate cancer. Genes corresponding to PTEN (orthologs) have been identified in most mammals for which complete genome data are available.

PTEN acts as a tumor suppressor gene through the action of its phosphatase protein product. This phosphatase is involved in the regulation of the cell cycle, preventing cells from growing and dividing too rapidly. It is a target of many anticancer drugs.

The protein encoded by this gene is a phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase. It contains a tensin-like domain as well as a catalytic domain similar to that of the dual specificity phosphatases. Unlike most of the protein tyrosine phosphatases, this protein preferentially dephosphorylates phosphoinositide substrates. It negatively regulates intracellular levels of phosphatidylinositol-3,4,5-trisphosphate in cells and functions as a tumor suppressor by negatively regulating the Akt/PKB signaling pathway.