A7BHQ9 (TYRO_PHONA) Reviewed, UniProtKB/Swiss-Prot
Last modified
March 6, 2013.
Version 23.
History...
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Tyrosinase EC=1.14.18.1 | ||
| Gene names |
| ||
| Organism | Pholiota nameko | ||
| Taxonomic identifier | 61267 [NCBI] | ||
| Taxonomic lineage | Eukaryota › Fungi › Dikarya › Basidiomycota › Agaricomycotina › Agaricomycetes › Agaricomycetidae › Agaricales › Strophariaceae › Pholiota![]() |
Protein attributes
| Sequence length | 625 AA. |
| Sequence status | Complete. |
| Sequence processing | The displayed sequence is further processed into a mature form. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Function | This is a copper-containing oxidase that functions in the formation of pigments such as melanins and other polyphenolic compounds By similarity. UniProtKB Q92396 |
| Catalytic activity | 2 L-dopa + O2 = 2 dopaquinone + 2 H2O. Ref.1 L-tyrosine + O2 = dopaquinone + H2O. Ref.1 |
| Cofactor | Binds 2 copper ions per subunit. Ref.1 |
| Subunit structure | Monomer. Ref.1 |
| Post-translational modification | The N-terminus is blocked. Ref.1 |
| Sequence similarities | Belongs to the tyrosinase family. |
| Biophysicochemical properties | Kinetic parameters: KM=1930 µM for L-dopa Ref.1 KM=119 µM for t-butylphenol Ref.1 KM=30.6 µM for p-cresol Ref.1 KM=163 µM for t-butylcatechol Ref.1 KM=1240 µM for 3-(3,4-dihydroxyphenyl) propionic acid Ref.1 KM=122 µM for dopamine Ref.1 |
| Mass spectrometry | Molecular mass is 42424.39 Da from positions 1 - 387. Determined by MALDI. Ref.1 |
Ontologies
| Keywords | |
|---|---|
| Biological process | Melanin biosynthesis |
| Ligand | Copper Metal-binding |
| Molecular function | Monooxygenase Oxidoreductase |
| Technical term | Direct protein sequencing |
| Gene Ontology (GO) | |
| Biological_process | melanin biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW |
| Molecular_function | copper ion binding Inferred from direct assay Ref.1. Source: UniProtKB monophenol monooxygenase activityInferred from direct assay Ref.1. Source: UniProtKB |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 387 | 387 | Tyrosinase Ref.1 | PRO_0000352767 | |||||
| Propeptide | 388 – 625 | 238 | Ref.1 | PRO_0000352768 | |||||
Regions | |||||||||
| Compositional bias | 367 – 451 | 85 | Ala-rich | ||||||
Sites | |||||||||
| Metal binding | 58 | 1 | Copper A By similarity UniProtKB Q9ZP19 | ||||||
| Metal binding | 86 | 1 | Copper A By similarity UniProtKB Q9ZP19 | ||||||
| Metal binding | 95 | 1 | Copper A By similarity UniProtKB Q9ZP19 | ||||||
| Metal binding | 258 | 1 | Copper B By similarity UniProtKB Q9ZP19 | ||||||
| Metal binding | 262 | 1 | Copper B By similarity UniProtKB Q9ZP19 | ||||||
| Metal binding | 287 | 1 | Copper B By similarity UniProtKB Q9ZP19 | ||||||
Experimental info | |||||||||
| Sequence conflict | 13 | 1 | I → V in BAF74396. Ref.1 | ||||||
| Sequence conflict | 151 | 1 | V → A in BAF74396. Ref.1 | ||||||
| Sequence conflict | 272 | 1 | G → A in BAF74396. Ref.1 | ||||||
| Sequence conflict | 425 | 1 | P → S in BAF74396. Ref.1 | ||||||
| Sequence conflict | 528 | 1 | S → N in BAF74396. Ref.1 | ||||||
Sequences
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References
| [1] | "Purification, characterization, and molecular cloning of tyrosinase from Pholiota nameko." Kawamura-Konishi Y., Tsuji M., Hatana S., Asanuma M., Kakuta D., Kawano T., Mukouyama E.B., Goto H., Suzuki H. Biosci. Biotechnol. Biochem. 71:1752-1760(2007) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA], PROTEIN SEQUENCE OF 154-164; 175-195; 351-362 AND 384-387, CATALYTIC ACTIVITY, COFACTOR, BIOPHYSICOCHEMICAL PROPERTIES, SUBUNIT, MASS SPECTROMETRY. Tissue: Fruiting body. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AB275646 mRNA. Translation: BAF74395.1. AB275647 mRNA. Translation: BAF74396.1. |
3D structure databases | |
| ProteinModelPortal | A7BHQ9. |
| ModBase | Search... |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Family and domain databases | |
| Gene3D | 1.10.1280.10. 1 hit. |
| InterPro | IPR002227. Tyrosinase. IPR008922. Unchr_di-copper_centre. [Graphical view] |
| Pfam | PF00264. Tyrosinase. 1 hit. [Graphical view] |
| PRINTS | PR00092. TYROSINASE. |
| SUPFAM | SSF48056. Di-copper_centre. 1 hit. |
| PROSITE | PS00497. TYROSINASE_1. 1 hit. PS00498. TYROSINASE_2. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Entry information
| Entry name | TYRO_PHONA | ||||||||
| Accession | Primary (citable) accession number: A7BHQ9 Secondary accession number(s): A7BHR0 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Fungal Protein Annotation Program | ||||||||
Relevant documents
| SIMILARITY comments Index of protein domains and families |

Clusters with
