ATP5MC1
ATP synthase F(0) complex subunit C1, mitochondrial
Also known as: AT5G1_HUMAN, ATP5G, ATP5G1
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- P05496
- Gene
- ATP5MC1
- Ensembl
- ENSG00000159199
- Chromosome
- 17
- Canonical length
- 136 aa
- Protein class
- Metabolic proteins, Predicted intracellular proteins, Predicted membrane proteins, Transporters
- Quaternary structure
- Homooctamer
OverviewNCBI Gene
This gene encodes a subunit of mitochondrial ATP synthase. Mitochondrial ATP synthase catalyzes ATP synthesis, utilizing an electrochemical gradient of protons across the inner membrane during oxidative phosphorylation. ATP synthase is composed of two linked multi-subunit complexes: the soluble catalytic core, F1, and the membrane-spanning component, Fo, comprising the proton channel. The catalytic portion of mitochondrial ATP synthase consists of 5 different subunits (alpha, beta, gamma, delta, and epsilon) assembled with a stoichiometry of 3 alpha, 3 beta, and a single representative of the other 3. The proton channel seems to have nine subunits (a, b, c, d, e, f, g, F6 and 8). This gene is one of three genes that encode subunit c of the proton channel. Each of the three genes have distinct mitochondrial import sequences but encode the identical mature protein. Alternatively spliced transcript variants encoding the same protein have been identified. [provided by RefSeq, Jul 2008]
Canonical amino-acid sequenceUniProt
136 residues, UniProt reviewed canonical sequence.
>P05496|ATP5MC1
1 MQTAGALFIS PALIRCCTRG LIRPVSASFL NSPVNSSKQP SYSNFPLQVA RREFQTSVVS
61 RDIDTAAKFI GAGAATVGVA GSGAGIGTVF GSLIIGYARN PSLKQQLFSY AILGFALSEA
121 MGLFCLMVAF LILFAMLocalizationUniProt · AlphaFold · HPA
Whether an antibody against ATP5MC1 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
- 2
- Mean surface accessibility (rSASA)
- 0.53
- Highest tissue expression
- 1,209 nTPM
Expression across tissuesHPA
Tissue
- tongue: 1,209 nTPM
- skeletal muscle: 821 nTPM
- heart muscle: 699 nTPM
- colon: 336 nTPM
- rectum: 323 nTPM
- kidney: 277 nTPM
Single-cell type
- parietal cells: 1,625 nCPM
- enteric transient amplifying cells: 863 nCPM
- esophageal basal cells: 820 nCPM
- esophageal suprabasal cells: 797 nCPM
- gastric progenitor cells: 700 nCPM
- enteric stem cells: 633 nCPM
Immune cell
- plasmacytoid DC: 557 nTPM
- memory B-cell: 466 nTPM
- myeloid DC: 449 nTPM
- naive B-cell: 377 nTPM
- total PBMC: 342 nTPM
- classical monocyte: 330 nTPM
Brain region
- hypothalamus: 128 nTPM
- cerebellum: 127 nTPM
- cerebral cortex: 115 nTPM
- hippocampal formation: 106 nTPM
- thalamus: 105 nTPM
- medulla oblongata: 104 nTPM
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)
- 0.89
- gnomAD pLI
- 0.43
- DepMap mean gene effect
- -0.33
- 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
Molecular functions
Cellular components
Protein domainsUniProt · Pfam · InterPro
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of ATP5MC1 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 ATP5MC1 as an antibody target. Whether an autoantibody or antibody against ATP5MC1 could matter depends on whether native ATP5MC1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
ATP5MC1 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 ATP5MC1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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