WARS1
Tryptophan--tRNA ligase, cytoplasmic
Also known as: IFI53, IFP53, SYWC_HUMAN, WARS
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- P23381
- Gene
- WARS1
- Ensembl
- ENSG00000140105
- Chromosome
- 14
- Canonical length
- 471 aa
- Protein class
- Disease related genes, Enzymes, Human disease related genes, Metabolic proteins, Plasma proteins, Potential drug targets, Predicted intracellular proteins
- Subcellular location
- Cytosol
- Quaternary structure
- Homodimer
OverviewNCBI Gene
Aminoacyl-tRNA synthetases catalyze the aminoacylation of tRNA by their cognate amino acid. Because of their central role in linking amino acids with nucleotide triplets contained in tRNAs, aminoacyl-tRNA synthetases are thought to be among the first proteins that appeared in evolution. Two forms of tryptophanyl-tRNA synthetase exist, a cytoplasmic form, named WARS, and a mitochondrial form, named WARS2. Tryptophanyl-tRNA synthetase (WARS) catalyzes the aminoacylation of tRNA(trp) with tryptophan and is induced by interferon. Tryptophanyl-tRNA synthetase belongs to the class I tRNA synthetase family. Four transcript variants encoding two different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
Canonical amino-acid sequenceUniProt
471 residues, UniProt reviewed canonical sequence.
>P23381|WARS1
1 MPNSEPASLL ELFNSIATQG ELVRSLKAGN ASKDEIDSAV KMLVSLKMSY KAAAGEDYKA
61 DCPPGNPAPT SNHGPDATEA EEDFVDPWTV QTSSAKGIDY DKLIVRFGSS KIDKELINRI
121 ERATGQRPHH FLRRGIFFSH RDMNQVLDAY ENKKPFYLYT GRGPSSEAMH VGHLIPFIFT
181 KWLQDVFNVP LVIQMTDDEK YLWKDLTLDQ AYSYAVENAK DIIACGFDIN KTFIFSDLDY
241 MGMSSGFYKN VVKIQKHVTF NQVKGIFGFT DSDCIGKISF PAIQAAPSFS NSFPQIFRDR
301 TDIQCLIPCA IDQDPYFRMT RDVAPRIGYP KPALLHSTFF PALQGAQTKM SASDPNSSIF
361 LTDTAKQIKT KVNKHAFSGG RDTIEEHRQF GGNCDVDVSF MYLTFFLEDD DKLEQIRKDY
421 TSGAMLTGEL KKALIEVLQP LIAEHQARRK EVTDEIVKEF MTPRKLSFDF QLocalizationUniProt · AlphaFold · HPA
Whether an antibody against WARS1 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
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.27
- Highest tissue expression
- 305 nTPM
Expression across tissuesHPA
Tissue
- placenta: 305 nTPM
- lung: 184 nTPM
- appendix: 175 nTPM
- thyroid gland: 149 nTPM
- heart muscle: 147 nTPM
- lymph node: 130 nTPM
Single-cell type
- monocytes: 301 nCPM
- schwann cells: 283 nCPM
- vascular endothelial cells: 233 nCPM
- late primary spermatocytes: 173 nCPM
- endometrial luminal cells: 169 nCPM
- late spermatids: 169 nCPM
Immune cell
- non-classical monocyte: 1,618 nTPM
- intermediate monocyte: 1,347 nTPM
- total PBMC: 673 nTPM
- eosinophil: 612 nTPM
- classical monocyte: 472 nTPM
- myeloid DC: 338 nTPM
Brain region
- medulla oblongata: 128 nTPM
- pons: 113 nTPM
- thalamus: 93 nTPM
- hypothalamus: 93 nTPM
- midbrain: 86 nTPM
- spinal cord: 75 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about WARS1.
Disease | AllUniProt
Conditions WARS1 is implicated in, by any mechanism.
- Neuronopathy, distal hereditary motor, autosomal dominant 9 (HMND9) MIM:617721
- Neurodevelopmental disorder with microcephaly and speech delay, with or without brain abnormalities (NEDMSBA) MIM:620317
Disease | GeneticClinVar
5 pathogenic / likely-pathogenic of 148 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- Neurodevelopmental disorder with microcephaly and speech delay, with or without brain abnormalities
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)
- 0.49
- gnomAD pLI
- 0.3
- DepMap mean gene effect
- -1.26
- DepMap dependency class
- common
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- angiogenesis
- intracellular signal transduction
- negative regulation of cell population proliferation
- regulation of angiogenesis
- translation
- tryptophanyl-tRNA aminoacylation
Molecular functions
- ATP binding
- protein domain specific binding
- protein homodimerization activity
- protein kinase binding
- protein-macromolecule adaptor activity
- tryptophan-tRNA ligase activity
Cellular components
Protein domainsUniProt · Pfam · InterPro
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of WARS1 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 WARS1 as an antibody target. Whether an autoantibody or antibody against WARS1 could matter depends on whether native WARS1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
WARS1 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 WARS1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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