DNAJC19
Mitochondrial import inner membrane translocase subunit TIM14
Also known as: Pam18, Tim14, TIM14_HUMAN, TIMM14
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q96DA6
- Gene
- DNAJC19
- Ensembl
- ENSG00000205981
- Chromosome
- 3
- Canonical length
- 116 aa
- Protein class
- Disease related genes, Human disease related genes, Predicted intracellular proteins
OverviewNCBI Gene
The protein encoded by this gene is thought to be part of a complex involved in the ATP-dependent transport of transit peptide-containing proteins from the inner cell membrane to the mitochondrial matrix. Defects in this gene are a cause of 3-methylglutaconic aciduria type 5 (MGA5), also known as dilated cardiomyopathy with ataxia (DCMA). Alternative splicing of this gene results in multiple transcript variants. Related pseudogenes have been identified on chromosomes 1, 2, 6, 10, 14 and 19. [provided by RefSeq, Jan 2012]
Canonical amino-acid sequenceUniProt
116 residues, UniProt reviewed canonical sequence.
>Q96DA6|DNAJC19
1 MASTVVAVGL TIAAAGFAGR YVLQAMKHME PQVKQVFQSL PKSAFSGGYY RGGFEPKMTK
61 REAALILGVS PTANKGKIRD AHRRIMLLNH PDKGGSPYIA AKINEAKDLL EGQAKKLocalizationUniProt · AlphaFold · HPA
Whether an antibody against DNAJC19 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)
- 0.44
- Highest tissue expression
- 72 nTPM
Expression across tissuesHPA
Tissue
- tongue: 72 nTPM
- heart muscle: 62 nTPM
- skeletal muscle: 57 nTPM
- kidney: 46 nTPM
- liver: 42 nTPM
- adrenal gland: 37 nTPM
Single-cell type
- hepatocytes: 189 nCPM
- epididymal principal cells: 186 nCPM
- parietal cells: 147 nCPM
- epididymal clear cells: 145 nCPM
- migrating cytotrophoblasts: 143 nCPM
- esophageal basal cells: 143 nCPM
Immune cell
- naive CD8 T-cell: 41 nTPM
- naive CD4 T-cell: 40 nTPM
- MAIT T-cell: 40 nTPM
- memory CD4 T-cell: 39 nTPM
- plasmacytoid DC: 37 nTPM
- memory B-cell: 36 nTPM
Brain region
- midbrain: 21 nTPM
- choroid plexus: 20 nTPM
- hypothalamus: 20 nTPM
- spinal cord: 19 nTPM
- cerebral cortex: 18 nTPM
- white matter: 17 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about DNAJC19.
Disease | AllUniProt
Conditions DNAJC19 is implicated in, by any mechanism.
- 3-methylglutaconic aciduria 5 (MGCA5) MIM:610198
Disease | GeneticClinVar
21 pathogenic / likely-pathogenic of 173 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- 3-methylglutaconic aciduria type 5
- DNAJC19-related disorder
- 3-Methylglutaconic aciduria type 3
- Malignant tumor of esophagus
- Gastric cancer
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)
- 1.31
- gnomAD pLI
- 0
- gnomAD missense Z
- 0.88
- DepMap mean gene effect
- -0.18
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 12% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- genitalia development
- intracellular protein transport
- protein folding
- protein import into mitochondrial matrix
- protein targeting to mitochondrion
- regulation of cardiolipin metabolic process
- visual perception
Molecular functions
Cellular components
Protein domainsUniProt · Pfam · InterPro
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of DNAJC19 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 DNAJC19 as an antibody target. Whether an autoantibody or antibody against DNAJC19 could matter depends on whether native DNAJC19 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
DNAJC19 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 DNAJC19 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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