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TYR This is a copper-containing oxidase that functions in the formation of pigments such as melanins and other polyphenolic compounds. Catalyzes the rate-limiting conversions of tyrosine to DOPA, DOPA to DOPA-quinone and possibly 5,6-dihydroxyindole to indole-5,6 quinone. Increased expression after UVB irradiation. Belongs to the tyrosinase family. 2 isoforms of the human protein are produced by alternative splicing. Note: This description may include information from UniProtKB.
Protein type: Amino Acid Metabolism - tyrosine; Cofactor and Vitamin Metabolism - riboflavin; EC; Membrane protein, integral; Oxidoreductase
Chromosomal Location of Human Ortholog: 11q14.3
Cellular Component: cytoplasm; cytosol; Golgi-associated vesicle; integral component of membrane; intracellular membrane-bound organelle; lysosome; melanosome; melanosome membrane; nucleus; perinuclear region of cytoplasm
Molecular Function: copper ion binding; monooxygenase activity; monophenol monooxygenase activity; protein binding; protein heterodimerization activity; protein homodimerization activity
Biological Process: cell proliferation; eye pigment biosynthetic process; melanin biosynthetic process; melanin biosynthetic process from tyrosine; response to cAMP; response to UV; response to vitamin D; thymus development; visual perception
Disease: Albinism, Ocular, With Sensorineural Deafness; Albinism, Oculocutaneous, Type Ia; Albinism, Oculocutaneous, Type Ib; Skin/hair/eye Pigmentation, Variation In, 3
Reference #:  P14679 (UniProtKB)
Alt. Names/Synonyms: LB24-AB; Monophenol monooxygenase; OCA1A; OCAIA; SHEP3; SK29-AB; Tumor rejection antigen AB; TYR; TYRO; Tyrosinase; tyrosinase (oculocutaneous albinism IA)
Gene Symbols: TYR
Molecular weight: 60,393 Da
Basal Isoelectric point: 5.71  Predict pI for various phosphorylation states
Protein-Specific Antibodies or siRNAs from Cell Signaling Technology® Total Proteins
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Protein Structure Not Found.

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