Tyrosinase

NameTyrosinase
Synonyms
  • 1.14.18.1
  • LB24-AB
  • Monophenol monooxygenase
  • SK29-AB
  • Tumor rejection antigen AB
Gene NameTYR
OrganismHuman
Amino acid sequence
>lcl|BSEQ0000503|Tyrosinase
MLLAVLYCLLWSFQTSAGHFPRACVSSKNLMEKECCPPWSGDRSPCGQLSGRGSCQNILL
SNAPLGPQFPFTGVDDRESWPSVFYNRTCQCSGNFMGFNCGNCKFGFWGPNCTERRLLVR
RNIFDLSAPEKDKFFAYLTLAKHTISSDYVIPIGTYGQMKNGSTPMFNDINIYDLFVWMH
YYVSMDALLGGSEIWRDIDFAHEAPAFLPWHRLFLLRWEQEIQKLTGDENFTIPYWDWRD
AEKCDICTDEYMGGQHPTNPNLLSPASFFSSWQIVCSRLEEYNSHQSLCNGTPEGPLRRN
PGNHDKSRTPRLPSSADVEFCLSLTQYESGSMDKAANFSFRNTLEGFASPLTGIADASQS
SMHNALHIYMNGTMSQVQGSANDPIFLLHHAFVDSIFEQWLRRHRPLQEVYPEANAPIGH
NRESYMVPFIPLYRNGDFFISSKDLGYDYSYLQDSDPDSFQDYIKSYLEQASRIWSWLLG
AAMVGAVLTALLAGLVSLLCRHKRKQLPEEKQPLLMEKEDYHSLYQSHL
Number of residues529
Molecular Weight60392.69
Theoretical pI6.05
GO Classification
Functions
  • monophenol monooxygenase activity
  • protein homodimerization activity
  • protein heterodimerization activity
  • monooxygenase activity
  • copper ion binding
Processes
  • visual perception
  • melanin biosynthetic process from tyrosine
  • cell proliferation
  • eye pigment biosynthetic process
  • cellular nitrogen compound metabolic process
  • small molecule metabolic process
  • response to cAMP
  • melanin biosynthetic process
  • response to UV
  • response to vitamin D
  • thymus development
Components
  • melanosome membrane
  • integral component of membrane
  • cytosol
  • perinuclear region of cytoplasm
  • melanosome
  • cytoplasm
  • nucleus
  • Golgi-associated vesicle
  • lysosome
General FunctionProtein homodimerization activity
Specific FunctionThis 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.
Pfam Domain Function
Transmembrane Regions477-497
GenBank Protein ID340037
UniProtKB IDP14679
UniProtKB Entry NameTYRO_HUMAN
Cellular LocationMelanosome membrane
Gene sequence
>lcl|BSEQ0021257|Tyrosinase (TYR)
ATGCTCCTGGCTGTTTTGTACTGCCTGCTGTGGAGTTTCCAGACCTCCGCTGGCCATTTC
CCTAGAGCCTGTGTCTCCTCTAAGAACCTGATGGAGAAGGAATGCTGTCCACCGTGGAGC
GGGGACAGGAGTCCCTGTGGCCAGCTTTCAGGCAGAGGTTCCTGTCAGAATATCCTTCTG
TCCAATGCACCACTTGGGCCTCAATTTCCCTTCACAGGGGTGGATGACCGGGAGTCGTGG
CCTTCCGTCTTTTATAATAGGACCTGCCAGTGCTCTGGCAACTTCATGGGATTCAACTGT
GGAAACTGCAAGTTTGGCTTTTGGGGACCAAACTGCACAGAGAGACGACTCTTGGTGAGA
AGAAACATCTTCGATTTGAGTGCCCCAGAGAAGGACAAATTTTTTGCCTACCTCACTTTA
GCAAAGCATACCATCAGCTCAGACTATGTCATCCCCATAGGGACCTATGGCCAAATGAAA
AATGGATCAACACCCATGTTTAACGACATCAATATTTATGACCTCTTTGTCTGGATGCAT
TATTATGTGTCAATGGATGCACTGCTTGGGGGATCTGAAATCTGGAGAGACATTGATTTT
GCCCATGAAGCACCAGCTTTTCTGCCTTGGCATAGACTCTTCTTGTTGCGGTGGGAACAA
GAAATCCAGAAGCTGACAGGAGATGAAAACTTCACTATTCCATATTGGGACTGGCGGGAT
GCAGAAAAGTGTGACATTTGCACAGATGAGTACATGGGAGGTCAGCACCCCACAAATCCT
AACTTACTCAGCCCAGCATCATTCTTCTCCTCTTGGCAGATTGTCTGTAGCCGATTGGAG
GAGTACAACAGCCATCAGTCTTTATGCAATGGAACGCCCGAGGGACCTTTACGGCGTAAT
CCTGGAAACCATGACAAATCCAGAACCCCAAGGCTCCCCTCTTCAGCTGATGTAGAATTT
TGCCTGAGTTTGACCCAATATGAATCTGGTTCCATGGATAAAGCTGCCAATTTCAGCTTT
AGAAATACACTGGAAGGATTTGCTAGTCCACTTACTGGGATAGCGGATGCCTCTCAAAGC
AGCATGCACAATGCCTTGCACATCTATATGAATGGAACAATGTCCCAGGTACAGGGATCT
GCCAACGATCCTATCTTCCTTCTTCACCATGCATTTGTTGACAGTATTTTTGAGCAGTGG
CTCCGAAGGCACCGTCCTCTTCAAGAAGTTTATCCAGAAGCCAATGCACCCATTGGACAT
AACCGGGAATCCTACATGGTTCCTTTTATACCACTGTACAGAAATGGTGATTTCTTTATT
TCATCCAAAGATCTGGGCTATGACTATAGCTATCTACAAGATTCAGACCCAGACTCTTTT
CAAGACTACATTAAGTCCTATTTGGAACAAGCGAGTCGGATCTGGTCATGGCTCCTTGGG
GCGGCGATGGTAGGGGCCGTCCTCACTGCCCTGCTGGCAGGGCTTGTGAGCTTGCTGTGT
CGTCACAAGAGAAAGCAGCTTCCTGAAGAAAAGCAGCCACTCCTCATGGAGAAAGAGGAT
TACCACAGCTTGTATCAGAGCCATTTATAA
GenBank Gene IDM27160
GeneCard IDNot Available
GenAtlas IDTYR
HGNC IDHGNC:12442
Chromosome Location11
Locus11q14-q21
References
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  2. Kwon BS, Haq AK, Pomerantz SH, Halaban R: Isolation and sequence of a cDNA clone for human tyrosinase that maps at the mouse c-albino locus. Proc Natl Acad Sci U S A. 1987 Nov;84(21):7473-7. 2823263
  3. Bouchard B, Fuller BB, Vijayasaradhi S, Houghton AN: Induction of pigmentation in mouse fibroblasts by expression of human tyrosinase cDNA. J Exp Med. 1989 Jun 1;169(6):2029-42. 2499655
  4. Chintamaneni CD, Halaban R, Kobayashi Y, Witkop CJ Jr, Kwon BS: A single base insertion in the putative transmembrane domain of the tyrosinase gene as a cause for tyrosinase-negative oculocutaneous albinism. Proc Natl Acad Sci U S A. 1991 Jun 15;88(12):5272-6. 1711223
  5. Brichard V, Van Pel A, Wolfel T, Wolfel C, De Plaen E, Lethe B, Coulie P, Boon T: The tyrosinase gene codes for an antigen recognized by autologous cytolytic T lymphocytes on HLA-A2 melanomas. J Exp Med. 1993 Aug 1;178(2):489-95. 8340755
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  8. Kikuchi H, Miura H, Yamamoto H, Takeuchi T, Dei T, Watanabe M: Characteristic sequences in the upstream region of the human tyrosinase gene. Biochim Biophys Acta. 1989 Dec 22;1009(3):283-6. 2480811
  9. Takeda A, Tomita Y, Okinaga S, Tagami H, Shibahara S: Functional analysis of the cDNA encoding human tyrosinase precursor. Biochem Biophys Res Commun. 1989 Aug 15;162(3):984-90. 2504160
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  15. Spritz RA, Strunk KM, Giebel LB, King RA: Detection of mutations in the tyrosinase gene in a patient with type IA oculocutaneous albinism. N Engl J Med. 1990 Jun 14;322(24):1724-8. 2342539
  16. Giebel LB, Strunk KM, King RA, Hanifin JM, Spritz RA: A frequent tyrosinase gene mutation in classic, tyrosinase-negative (type IA) oculocutaneous albinism. Proc Natl Acad Sci U S A. 1990 May;87(9):3255-8. 1970634
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