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receptor-type tyrosine-protein phosphatase alpha; protein-tyrosine phosphatase alpha; R-PTP-alpha (PTPRA, PTPA, PTPRL2)
Function:
protein tyrosine phosphate + H2O = protein tyrosine + phosphate
Structure:
- belongs to the protein-tyrosine phosphatase family receptor class 4 subfamily
- contains 2 tyrosine-protein phosphatase domains
Compartment:
- membrane; single-pass type 1 membrane protein
Alternative splicing: named isoforms=4
Related
gene
General
cell surface receptor
glycoprotein
tyrosine phosphatase, receptor type
Properties
SIZE: entity length = 802 aa
MW = 91 kD
COMPARTMENT: cellular membrane
STATE: active state
MOTIF: signal sequence {1-19}
N-glycosylation site {N21}
N-glycosylation site {N36}
N-glycosylation site {N68}
N-glycosylation site {N80}
N-glycosylation site {N86}
N-glycosylation site {N104}
N-glycosylation site {N124}
transmembrane domain {143-165}
Ser phosphorylation site {S180}
Ser phosphorylation site {S189}
Ser phosphorylation site {S213}
Tyrosine-protein phosphatase {241-501}
MOTIF: binding site
SITE: 410-410
FOR-BINDING-OF: Substrate
Substrate binding {442-448}
cysteine residue {C442}
binding site
SITE: 486-486
FOR-BINDING-OF: Substrate
Tyrosine-protein phosphatase {533-791}
MOTIF: cysteine residue {C732}
Tyr phosphorylation site {Y798}
Database Correlations
OMIM 176884
UniProt P18433
Pfam PF00102
Entrez Gene 5786
Kegg hsa:5786
ENZYME 3.1.3.48
References
- UniProt :accession P18433
- Sap J et al
Cloning and expression of a widely expressed receptor tyrosine
phosphatase.
Proc Natl Acad Sci U S A. 1990 Aug;87(16):6112-6.
PMID: 2166945