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Protein

Tyrosinase

Gene

TYR

Organism
Gallus gallus (Chicken)
Status
Reviewed-Annotation score: -Experimental evidence at transcript leveli

Functioni

This is a copper-containing oxidase that functions in the formation of pigments such as melanins and other polyphenolic compounds. Catalyzes the initial and rate limiting step in the cascade of reactions leading to melanin production from tyrosine. In addition to hydroxylating tyrosine to DOPA (3,4-dihydroxyphenylalanine), also catalyzes the oxidation of DOPA to DOPA-quinone, and possibly the oxidation of DHI (5,6-dihydroxyindole) to indole-5,6 quinone.By similarity

Catalytic activityi

2 L-dopa + O2 = 2 dopaquinone + 2 H2O.By similarity
L-tyrosine + O2 = dopaquinone + H2O.By similarity

Cofactori

Cu2+By similarityNote: Binds 2 copper ions per subunit.By similarity

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi180Copper ABy similarity1
Metal bindingi202Copper ABy similarity1
Metal bindingi211Copper ABy similarity1
Metal bindingi363Copper BBy similarity1
Metal bindingi367Copper BBy similarity1
Metal bindingi390Copper BBy similarity1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionMonooxygenase, Oxidoreductase
Biological processMelanin biosynthesis
LigandCopper, Metal-binding

Enzyme and pathway databases

ReactomeiR-GGA-5662702 Melanin biosynthesis

Names & Taxonomyi

Protein namesi
Recommended name:
Tyrosinase (EC:1.14.18.1)
Alternative name(s):
Monophenol monooxygenase
Gene namesi
Name:TYR
OrganismiGallus gallus (Chicken)
Taxonomic identifieri9031 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiArchelosauriaArchosauriaDinosauriaSaurischiaTheropodaCoelurosauriaAvesNeognathaeGalloanseraeGalliformesPhasianidaePhasianinaeGallus
Proteomesi
  • UP000000539 Componenti: Chromosome 1

Subcellular locationi

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Topological domaini19 – 476Lumenal, melanosomeSequence analysisAdd BLAST458
Transmembranei477 – 497HelicalSequence analysisAdd BLAST21
Topological domaini498 – 529CytoplasmicSequence analysisAdd BLAST32

Keywords - Cellular componenti

Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 18Sequence analysisAdd BLAST18
ChainiPRO_000003588119 – 529TyrosinaseAdd BLAST511

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Glycosylationi86N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi111N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi161N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi230N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi290N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi337N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi356N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi371N-linked (GlcNAc...) asparagineSequence analysis1

Keywords - PTMi

Glycoprotein

Proteomic databases

PaxDbiP55024
PRIDEiP55024

Expressioni

Gene expression databases

ExpressionAtlasiP55024 differential

Interactioni

GO - Molecular functioni

Protein-protein interaction databases

STRINGi9031.ENSGALP00000027812

Structurei

3D structure databases

ProteinModelPortaliP55024
SMRiP55024
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the tyrosinase family.Curated

Keywords - Domaini

Signal, Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiENOG410IEZU Eukaryota
ENOG410Y42I LUCA
HOGENOMiHOG000118376
HOVERGENiHBG003553
InParanoidiP55024
KOiK00505
OrthoDBiEOG091G03YR
PhylomeDBiP55024
TreeFamiTF315865

Family and domain databases

Gene3Di1.10.1280.10, 1 hit
InterProiView protein in InterPro
IPR002227 Tyrosinase_Cu-bd
IPR008922 Unchr_di-copper_centre
PfamiView protein in Pfam
PF00264 Tyrosinase, 1 hit
PRINTSiPR00092 TYROSINASE
SUPFAMiSSF48056 SSF48056, 1 hit
PROSITEiView protein in PROSITE
PS00497 TYROSINASE_1, 1 hit
PS00498 TYROSINASE_2, 1 hit

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P55024-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MFLFAMGLLL VILQPSTGQF PRVCANTQSL LRKECCPPWD GDGTPCGERS
60 70 80 90 100
NRGTCQRILL SQAPLGPQFP FSGVDDREDW PSVFYNRTCR CRGNFMGFNC
110 120 130 140 150
GECKFGFSGQ NCTERRLRTR RNIFQLTISE KDKFLAYLNL AKNIPSKDYV
160 170 180 190 200
IATGTYAQMN NGSNPMFRNI NVYDLFVWMH YYASRDTLLG GSNVWRDIDF
210 220 230 240 250
AHEAPGFLPW HRAFLLLWER EIQKITGDEN FTIPYWDWRD AEDCVICTDE
260 270 280 290 300
YMGGQHPTNP NLLSPASFFS SWQVICTQSE EYNSQQALCN ATSEGPILRN
310 320 330 340 350
PGNNDKSRTP RLPSSSEVEF CLTLTQYESG SMDKMANYSF RNTLEGFADP
360 370 380 390 400
HTAISNISQS GLHNALHIYM NGSMSQVQGS ANDPIFILHH AFVDSIFERW
410 420 430 440 450
LRRHRPMLEV YPAANAPIGH NRENYMVPFI PLYRNGEFFI SSRELGYDYE
460 470 480 490 500
YLQEPALGSF QDFLIPYLKQ AHQIWPWLVG AAVIGGIITA VLSGLILACR
510 520
KKRKGTSPEI QPLLTESEDY NNVSYQSHF
Length:529
Mass (Da):60,357
Last modified:October 1, 1996 - v1
Checksum:i74B464A52C3EFBF5
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
D88349 mRNA Translation: BAA13590.1
L46805 Genomic DNA Translation: AAB08441.1
PIRiPC4153
RefSeqiNP_989491.1, NM_204160.1
UniGeneiGga.928

Genome annotation databases

EnsembliENSGALT00000027865; ENSGALP00000027812; ENSGALG00000017237
GeneIDi373971
KEGGigga:373971

Similar proteinsi

Entry informationi

Entry nameiTYRO_CHICK
AccessioniPrimary (citable) accession number: P55024
Entry historyiIntegrated into UniProtKB/Swiss-Prot: October 1, 1996
Last sequence update: October 1, 1996
Last modified: May 23, 2018
This is version 122 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

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