UniProt functional annotation for Q15256

UniProt code: Q15256.

Organism: Homo sapiens (Human).
Taxonomy: Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo.
 
Function: Sequesters mitogen-activated protein kinases (MAPKs) such as MAPK1, MAPK3 and MAPK14 in the cytoplasm in an inactive form. The MAPKs bind to a dephosphorylated kinase interacting motif, phosphorylation of which by the protein kinase A complex releases the MAPKs for activation and translocation into the nucleus (By similarity). {ECO:0000250}.
 
Catalytic activity: Reaction=H2O + O-phospho-L-tyrosyl-[protein] = L-tyrosyl-[protein] + phosphate; Xref=Rhea:RHEA:10684, Rhea:RHEA-COMP:10136, Rhea:RHEA- COMP:10137, ChEBI:CHEBI:15377, ChEBI:CHEBI:43474, ChEBI:CHEBI:46858, ChEBI:CHEBI:82620; EC=3.1.3.48; Evidence={ECO:0000255|PROSITE- ProRule:PRU10044};
Subunit: Interacts with MAPKs. {ECO:0000250}.
Subcellular location: [Isoform Alpha]: Cell membrane; Single-pass type I membrane protein.
Subcellular location: [Isoform Delta]: Cytoplasm, perinuclear region. Note=Locates to the perinuclear areas within the cytoplasm.
Subcellular location: [Isoform Gamma]: Cytoplasm, perinuclear region. Note=Locates to the perinuclear areas within the cytoplasm.
Tissue specificity: Expressed in brain, placenta, small intestine, stomach, uterus and weakly in the prostate. Isoform alpha has been observed only in the brain. Isoform gamma is expressed in brain, placenta and uterus. Isoform delta is expressed in brain, kidney, placenta, prostate, small intestine and uterus. {ECO:0000269|PubMed:10705342}.
Similarity: Belongs to the protein-tyrosine phosphatase family. Receptor class 7 subfamily. {ECO:0000305}.
Sequence caution: Sequence=CAA57957.1; Type=Frameshift; Evidence={ECO:0000305}; Sequence=CAB01957.1; Type=Frameshift; Evidence={ECO:0000305};

Annotations taken from UniProtKB at the EBI.