NDUFV1
NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial
Also known as: CI-51K, NDUV1_HUMAN
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- P49821
- Gene
- NDUFV1
- Ensembl
- ENSG00000167792
- Chromosome
- 11
- Canonical length
- 464 aa
- Protein class
- Disease related genes, Enzymes, Human disease related genes, Metabolic proteins, Potential drug targets, Predicted intracellular proteins
- Subcellular location
- Mitochondria,Cytosol
OverviewNCBI Gene
The mitochondrial respiratory chain provides energy to cells via oxidative phosphorylation and consists of four membrane-bound electron-transporting protein complexes (I-IV) and an ATP synthase (complex V). This gene encodes a 51 kDa subunit of the NADH:ubiquinone oxidoreductase complex I; a large complex with at least 45 nuclear and mitochondrial encoded subunits that liberates electrons from NADH and channels them to ubiquinone. This subunit carries the NADH-binding site as well as flavin mononucleotide (FMN)- and Fe-S-biding sites. Defects in complex I are a common cause of mitochondrial dysfunction; a syndrome that occurs in approximately 1 in 10,000 live births. Mitochondrial complex I deficiency is linked to myopathies, encephalomyopathies, and neurodegenerative disorders such as Parkinson's disease and Leigh syndrome. Alternative splicing results in multiple transcript variants encoding distinct isoforms.[provided by RefSeq, Oct 2009]
Canonical amino-acid sequenceUniProt
464 residues, UniProt reviewed canonical sequence.
>P49821|NDUFV1
1 MLATRRLLGW SLPARVSVRF SGDTTAPKKT SFGSLKDEDR IFTNLYGRHD WRLKGSLSRG
61 DWYKTKEILL KGPDWILGEI KTSGLRGRGG AGFPTGLKWS FMNKPSDGRP KYLVVNADEG
121 EPGTCKDREI LRHDPHKLLE GCLVGGRAMG ARAAYIYIRG EFYNEASNLQ VAIREAYEAG
181 LIGKNACGSG YDFDVFVVRG AGAYICGEET ALIESIEGKQ GKPRLKPPFP ADVGVFGCPT
241 TVANVETVAV SPTICRRGGT WFAGFGRERN SGTKLFNISG HVNHPCTVEE EMSVPLKELI
301 EKHAGGVTGG WDNLLAVIPG GSSTPLIPKS VCETVLMDFD ALVQAQTGLG TAAVIVMDRS
361 TDIVKAIARL IEFYKHESCG QCTPCREGVD WMNKVMARFV RGDARPAEID SLWEISKQIE
421 GHTICALGDG AAWPVQGLIR HFRPELEERM QRFAQQHQAR QAASLocalizationUniProt · AlphaFold · HPA
Whether an antibody against NDUFV1 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
- 0
- Mean surface accessibility (rSASA)
- 0.24
- Highest tissue expression
- 493 nTPM
Expression across tissuesHPA
Tissue
- skeletal muscle: 493 nTPM
- tongue: 411 nTPM
- heart muscle: 389 nTPM
- choroid plexus: 212 nTPM
- kidney: 207 nTPM
- liver: 182 nTPM
Single-cell type
- parietal cells: 465 nCPM
- late spermatids: 351 nCPM
- esophageal basal cells: 292 nCPM
- enteric transient amplifying cells: 285 nCPM
- esophageal suprabasal cells: 279 nCPM
- cytotrophoblasts: 270 nCPM
Immune cell
- myeloid DC: 111 nTPM
- NK-cell: 104 nTPM
- intermediate monocyte: 83 nTPM
- T-reg: 78 nTPM
- total PBMC: 77 nTPM
- plasmacytoid DC: 73 nTPM
Brain region
- pons: 156 nTPM
- cerebellum: 147 nTPM
- choroid plexus: 146 nTPM
- thalamus: 145 nTPM
- cerebral cortex: 135 nTPM
- white matter: 131 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about NDUFV1.
Disease | AllUniProt
Conditions NDUFV1 is implicated in, by any mechanism.
- Mitochondrial complex I deficiency, nuclear type 4 (MC1DN4) MIM:618225
Disease | GeneticClinVar
68 pathogenic / likely-pathogenic of 555 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- Mitochondrial complex I deficiency, nuclear type 4
- Leigh syndrome
- Mitochondrial complex I deficiency, nuclear type 1
- NDUFV1-related disorder
- Mitochondrial complex I deficiency
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)
- 1.21
- gnomAD pLI
- 0
- gnomAD missense Z
- 0.28
- DepMap mean gene effect
- -0.35
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 6% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- aerobic respiration
- mitochondrial ATP synthesis coupled electron transport
- mitochondrial electron transport, NADH to ubiquinone
- proton motive force-driven mitochondrial ATP synthesis
Molecular functions
- 4 iron, 4 sulfur cluster binding
- FMN binding
- metal ion binding
- NAD binding
- NADH dehydrogenase (ubiquinone) activity
- oxidoreductase activity
Cellular components
Protein domainsUniProt · Pfam · InterPro
- NADH:ubiquinone oxidoreductase, 51kDa subunit, conserved site
- NADH ubiquinone oxidoreductase, F subunit
- NADH-ubiquinone oxidoreductase 51kDa subunit, FMN-binding domain
- NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain
- NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain superfamily
- NADH-ubiquinone oxidoreductase 51kDa subunit, FMN-binding domain superfamily
- Complex I 51 kDa subunit
- SLBB domain
- Nuo51 FMN-binding domain
- NADH-ubiquinone oxidoreductase-F iron-sulfur binding region
- SLBB domain
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of NDUFV1 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 NDUFV1 as an antibody target. Whether an autoantibody or antibody against NDUFV1 could matter depends on whether native NDUFV1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
NDUFV1 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 NDUFV1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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