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PTPRA
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PTPRA
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesPTPRA, HEPTP, HLPR, HPTPA, HPTPalpha, LRP, PTPA, PTPRL2, R-PTP-alpha, RPTPA, protein tyrosine phosphatase, receptor type A, protein tyrosine phosphatase receptor type A
External IDsOMIM: 176884; MGI: 97808; HomoloGene: 20621; GeneCards: PTPRA; OMA:PTPRA - orthologs
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_080841
NM_002836
NM_080840

NM_001163688
NM_008980
NM_001355161

RefSeq (protein)

NP_002827
NP_543030
NP_543031

NP_001157160
NP_033006
NP_001342090

Location (UCSC)Chr 20: 2.86 – 3.04 MbChr 2: 130.29 – 130.4 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Receptor-type tyrosine-protein phosphatase alpha is an enzyme that in humans is encoded by the PTPRA gene.[5][6][7]

Function

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The protein encoded by this gene is a member of the receptor tyrosine phosphatases (RTP), a family of protein tyrosine phosphatases. RTPs are known to be signaling molecules that regulate a variety of cellular processes including cell growth, differentiation, mitotic cycle, and oncogenic transformation. This RTP contains an extracellular domain, a single transmembrane segment and two tandem intracytoplasmic catalytic domains, and thus represents a receptor-type RTP. This RTP has been shown to dephosphorylate and activate Src family tyrosine kinases,[8] and is implicated in the regulation of integrin signaling, cell adhesion and proliferation. Three alternatively spliced variants of this gene, which encode two distinct isoforms, have been reported.[7]

Interactions

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PTPRA has been shown to interact with Grb2[9][10][11] and KCNA2.[12]

References

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Further reading

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