ATP5MC3
protein-coding gene in the species Homo sapiens

The ATP5MC3 gene is one of three human paralogs that encode membrane subunit c of the mitochondrial ATP synthase.
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.
References
External links
Human ATP5MC3 genome location and ATP5MC3 gene details page in the UCSC Genome Browser.
The public source identifies “ATP5MC3” as protein-coding gene in the species Homo sapiens. This brief keeps that definition visible, then builds a research path around ATP5MC3, protein-coding and gene.
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Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Sep 4, 2026. The linked authority identifier is Q17834113. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “ATP5MC3” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.