PTP4A1

Protein tyrosine phosphatase type IVA 1 is an enzyme that in humans is encoded by the PTP4A1 gene.[4][5]

PTP4A1
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesPTP4A1, HH72, PRL-1, PRL1, PTP(CAAX1), PTPCAAX1, protein tyrosine phosphatase type IVA, member 1, protein tyrosine phosphatase 4A1
External IDsOMIM: 601585 MGI: 1277096 HomoloGene: 2587 GeneCards: PTP4A1
Gene location (Human)
Chr.Chromosome 6 (human)[1]
Band6q12Start63,521,746 bp[1]
End63,583,436 bp[1]
RNA expression pattern




More reference expression data
Orthologs
SpeciesHumanMouse
Entrez

7803

19243

Ensembl

ENSG00000112245

n/a

UniProt

Q93096

Q63739

RefSeq (mRNA)

NM_003463

NM_011200

RefSeq (protein)

NP_003454

NP_035330

Location (UCSC)Chr 6: 63.52 – 63.58 Mbn/a
PubMed search[2][3]
Wikidata
View/Edit HumanView/Edit Mouse

The protein encoded by this gene belongs to a small class of prenylated protein tyrosine phosphatases (PTPs), which contains a PTP domain and a characteristic C-terminal prenylation motif. PTPs are cell signaling molecules that play regulatory roles in a variety of cellular processes. This tyrosine phosphatase is a nuclear protein, but may primarily associate with plasma membrane. The surface membrane association of this protein depends on its C-terminal prenylation. Overexpression of this gene in mammalian cells conferred a transformed phenotype, which implicated its role in the tumorigenesis. Studies in rat suggested that this gene may be an immediate-early gene in mitogen-stimulated cells.[5]

Interactions

PTP4A1 has been shown to interact with ATF7.[6]

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References

  1. GRCh38: Ensembl release 89: ENSG00000112245 - Ensembl, May 2017
  2. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  3. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. Peng Y, Genin A, Spinner NB, Diamond RH, Taub R (Aug 1998). "The gene encoding human nuclear protein tyrosine phosphatase, PRL-1. Cloning, chromosomal localization, and identification of an intron enhancer". J Biol Chem. 273 (27): 17286–95. doi:10.1074/jbc.273.27.17286. PMID 9642300.
  5. "Entrez Gene: PTP4A1 protein tyrosine phosphatase type IVA, member 1".
  6. Peters, C S; Liang X; Li S; Kannan S; Peng Y; Taub R; Diamond R H (Apr 2001). "ATF-7, a novel bZIP protein, interacts with the PRL-1 protein-tyrosine phosphatase". J. Biol. Chem. United States. 276 (17): 13718–26. doi:10.1074/jbc.M011562200. ISSN 0021-9258. PMID 11278933.

Further reading

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