TYRP1
5,6-dihydroxyindole-2-carboxylic acid oxidase
Also known as: b-PROTEIN, CAS2, CATB, GP75, OCA3, TRP, TYRP, TYRP1_HUMAN
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- P17643
- Gene
- TYRP1
- Ensembl
- ENSG00000107165
- Chromosome
- 9
- Canonical length
- 537 aa
- Protein class
- Disease related genes, Human disease related genes, Metabolic proteins, Potential drug targets, Predicted intracellular proteins, Predicted membrane proteins, Transporters
- Subcellular location
- Vesicles
OverviewNCBI Gene
This gene encodes a melanosomal enzyme that belongs to the tyrosinase family and plays an important role in the melanin biosynthetic pathway. Defects in this gene are the cause of rufous oculocutaneous albinism and oculocutaneous albinism type III. [provided by RefSeq, Mar 2009]
Canonical amino-acid sequenceUniProt
537 residues, UniProt reviewed canonical sequence.
>P17643|TYRP1
1 MSAPKLLSLG CIFFPLLLFQ QARAQFPRQC ATVEALRSGM CCPDLSPVSG PGTDRCGSSS
61 GRGRCEAVTA DSRPHSPQYP HDGRDDREVW PLRFFNRTCH CNGNFSGHNC GTCRPGWRGA
121 ACDQRVLIVR RNLLDLSKEE KNHFVRALDM AKRTTHPLFV IATRRSEEIL GPDGNTPQFE
181 NISIYNYFVW THYYSVKKTF LGVGQESFGE VDFSHEGPAF LTWHRYHLLR LEKDMQEMLQ
241 EPSFSLPYWN FATGKNVCDI CTDDLMGSRS NFDSTLISPN SVFSQWRVVC DSLEDYDTLG
301 TLCNSTEDGP IRRNPAGNVA RPMVQRLPEP QDVAQCLEVG LFDTPPFYSN STNSFRNTVE
361 GYSDPTGKYD PAVRSLHNLA HLFLNGTGGQ THLSPNDPIF VLLHTFTDAV FDEWLRRYNA
421 DISTFPLENA PIGHNRQYNM VPFWPPVTNT EMFVTAPDNL GYTYEIQWPS REFSVPEIIA
481 IAVVGALLLV ALIFGTASYL IRARRSMDEA NQPLLTDQYQ CYAEEYEKLQ NPNQSVVLocalizationUniProt · AlphaFold · HPA
Whether an antibody against TYRP1 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Other membrane
- Secreted
- No
- Transmembrane segments
- 1
- Mean surface accessibility (rSASA)
- 0.27
- Highest tissue expression
- 137 nTPM
Expression across tissuesHPA
Tissue
- skin: 137 nTPM
- choroid plexus: 68 nTPM
- heart muscle: 56 nTPM
- kidney: 15 nTPM
- esophagus: 9.4 nTPM
- tongue: 7 nTPM
Single-cell type
- melanocytes: 4,717 nCPM
- retinal pigment epithelial cells: 2,285 nCPM
- basal keratinocytes: 53 nCPM
- choroid plexus epithelial cells: 37 nCPM
- smooth muscle cells: 21 nCPM
- cardiomyocytes: 13 nCPM
Immune cell
- basophil: 0 nTPM
- classical monocyte: 0 nTPM
- eosinophil: 0 nTPM
- gdT-cell: 0 nTPM
- intermediate monocyte: 0 nTPM
- MAIT T-cell: 0 nTPM
Brain region
- choroid plexus: 104 nTPM
- hippocampal formation: 6.5 nTPM
- pons: 5.1 nTPM
- medulla oblongata: 3.7 nTPM
- white matter: 3 nTPM
- midbrain: 2.9 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about TYRP1.
Disease | AllUniProt
Conditions TYRP1 is implicated in, by any mechanism.
- Albinism, oculocutaneous, 3 (OCA3) MIM:203290
Disease | GeneticClinVar
92 pathogenic / likely-pathogenic of 704 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- Oculocutaneous albinism type 3
- MELANESIAN BLOND HAIR
- TYRP1-related disorder
- Albinism
- Pigmentary skin disorders
Disease | ImmuneIEDB
Conditions an epitope on TYRP1 was assayed in.
- Vogt-Koyanagi-Harada disease T cell
- skin melanoma T cell
Disease | AutoantibodyPubMed
Conditions in which antibodies against TYRP1 are reported. Each links to that disease's full target list.
- Vitiligo 5
ReferencesPubMed · IEDB
Publications for TYRP1 from three distinct lines of evidence, kept separate because they answer different questions: whether antibodies are directed at the protein, whether a B-cell epitope has been mapped on it, and whether a T-cell epitope has. Each is labelled with its source.
Reference: AutoantibodyPubMed
8 publications
- Vaccination with a recombinant vaccinia virus encoding a "self" antigen induces autoimmune vitiligo and tumor cell destruction in mice: requirement for CD4(+) T lymphocytes.
1999 · Proc Natl Acad Sci U S A · RCR 5.8 · 309 citations - Tumor immunity and autoimmunity induced by immunization with homologous DNA.
1998 · J Clin Invest · RCR 3.5 · 178 citations - Implicating a role for immune recognition of self in tumor rejection: passive immunization against the brown locus protein.
1995 · J Exp Med · RCR 3.2 · 160 citations - Immune response to a differentiation antigen induced by altered antigen: a study of tumor rejection and autoimmunity.
1996 · Proc Natl Acad Sci U S A · RCR 2.4 · 125 citations - Autoantibodies to tyrosinase-related protein-1 detected in the sera of vitiligo patients using a quantitative radiobinding assay.
1998 · Br J Dermatol · RCR 1.9 · 71 citations
Show 3 more
- Epidermal reconstructs in vitiligo: an extrinsic factor is needed to trigger the disease.
1997 · Br J Dermatol · RCR 0.6 · 17 citations - Detection of serum anti-melanocyte antibodies and identification of related antigens in patients with vitiligo.
2015 · Genet Mol Res · RCR 0.6 · 13 citations - Induction of autoantibodies against tyrosinase-related proteins following DNA vaccination: unexpected reactivity to a protein paralogue.
2002 · Cancer Immun · RCR 0.2 · 9 citations
Reference: T cellIEDB
2 publications
- Integrated proteogenomic deep sequencing and analytics accurately identify non-canonical peptides in tumor immunopeptidomes.
2020 · Nat Commun · RCR 9.5 · 254 citations - T-cell recognition and cytokine profile induced by melanocyte epitopes in patients with HLA-DRB1*0405-positive and -negative Vogt-Koyanagi-Harada uveitis.
2005 · Invest Ophthalmol Vis Sci · RCR 2.3 · 83 citations
Sources: PubMed — antigen-level antibody evidence from a custom retrieval. Records matching a controlled set of autoantibody terms (the MeSH descriptors Autoantibodies and Autoantigens, with title and abstract term variants) were obtained through NCBI E-utilities, and their titles and abstracts parsed for constructions that direct an antibody at a named protein rather than for co-occurrence. Captured names were resolved against UniProt nomenclature and each antigen adjudicated individually against the source text. IEDB — curated epitope assays from the Immune Epitope Database (Vita et al., Nucleic Acids Research 2019). Bibliographic records from PubMed and MeSH, U.S. National Library of Medicine; citation metrics from NIH iCite (Hutchins et al., PLoS Biology 2016). Titles link to PubMed; abstracts are not reproduced here. The NLM does not endorse this analysis.
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 1.89
- gnomAD pLI
- 0
- gnomAD missense Z
- -2.15
- DepMap mean gene effect
- 0.06
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 3% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- melanin biosynthetic process
- melanocyte differentiation
- melanosome organization
- positive regulation of melanin biosynthetic process
- acetoacetic acid metabolic process
Molecular functions
- metal ion binding
- protein homodimerization activity
- tyrosinase activity
- catechol oxidase activity
Cellular components
Protein domainsUniProt · Pfam · InterPro
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of TYRP1 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads TYRP1 as an antibody target. Whether an autoantibody or antibody against TYRP1 could matter depends on whether native TYRP1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
TYRP1 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label TYRP1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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