ATP Synthase-Coupling Factor 6, Mitochondrial (ATP5J) Human Recombinant Protein

Mitochondrial ATP synthase catalyzes ATP synthesis, utilizing an electrochemical gradient of protons across the inner membrane during oxidative phosphorylation. It is composed of two linked multi-subunit complexes: the soluble catalytic core, F1, and the membrane-spanning component, Fo, which comprises the proton channel. The F1 complex consists of 5 different subunits (alpha, beta, gamma, delta, and epsilon) assembled in a ratio of 3 alpha, 3 beta, and a single representative of the other 3. The Fo seems to have nine subunits (a, b, c, d, e, f, g, F6 and 8). This gene encodes the F6 subunit of the Fo complex, required for F1 and Fo interactions. Alternatively spliced transcript variants encoding different isoforms have been identified for this gene. A pseudogene exists on chromosome Yp11.[provided by RefSeq, Jun 2010]

ATP5J: 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. Also involved in the restoration of oligomycin-sensitive ATPase activity to depleted F1-F0 complexes. Belongs to the eukaryotic ATPase subunit F6 family.

Protein type: Energy Metabolism - oxidative phosphorylation; Mitochondrial; EC 3.6.3.14

Chromosomal Location of Human Ortholog: 21q21.1

Cellular Component: mitochondrion; mitochondrial inner membrane; mitochondrial proton-transporting ATP synthase complex

Molecular Function: transporter activity; ATPase activity; transmembrane transporter activity; hydrogen ion transmembrane transporter activity

Biological Process: cellular metabolic process; substantia nigra development; mitochondrial ATP synthesis coupled proton transport