Anti-ATP5F1,2,3/ATP5MC1,2,3 Picoband® Antibody (monoclonal, 12E9) Fluoro488 Conjugated

The ATP5MC1 gene is one of three human paralogs that encode membrane subunit c of the mitochondrial ATP synthase. It is mapped to 17q21.32. 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.

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Mitochondrial membrane ATP synthase (F (1) F (0) ATP synthase or Complex V) produces ATP from ADP in the presence of a proton gradient across the membrane which is generated by electron transport complexes of the respiratory chain. F-type ATPases consist of two structural domains, F (1) - containing the extramembraneous catalytic core, and F (0) - containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F (1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation. Part of the complex F (0) domain and the peripheric stalk, which acts as a stator to hold the catalytic alpha (3) beta (3) subcomplex and subunit a/ATP6 static relative to the rotary elements.

1. Dyer, M. R., Walker, J. E. Sequences of members of the human gene family for the c subunit of mitochondrial ATP synthase. Biochem. J. 293: 51-64, 1993. 2. Walker, J. E. Determination of the structures of respiratory enzyme complexes from mammalian mitochondria. Biochim. Biophys. Acta 1271: 221-227, 1995. 3. Yan, W. L., Lerner, T. J., Haines, J. L., Gusella, J. F. Sequence analysis and mapping of a novel human mitochondrial ATP synthase subunit 9 cDNA (ATP5G3) . Genomics 24: 375-377, 1994.