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The F-ATP synthase displays high functional and mechanistic similarity to the V-ATPase. [18] However, whereas the F-ATP synthase generates ATP by utilising a proton gradient, the V-ATPase generates a proton gradient at the expense of ATP, generating pH values of as low as 1. [19]
F-ATP synthases are identical in appearance and function except for the mitochondrial F 0 F 1-ATP synthase, which contains 7-9 additional subunits. [12] The electrochemical potential is what causes the c-ring to rotate in a clockwise direction for ATP synthesis. This causes the central stalk and the catalytic domain to change shape.
F-ATPase, also known as F-Type ATPase, is an ATPase/synthase found in bacterial plasma membranes, in mitochondrial inner membranes (in oxidative phosphorylation, where it is known as Complex V), and in chloroplast thylakoid membranes.
MT-ATP6 (or ATP6) is a mitochondrial gene with the full name 'mitochondrially encoded ATP synthase membrane subunit 6' that encodes the ATP synthase F o subunit 6 (or subunit/chain A). This subunit belongs to the F o complex of the large, transmembrane F-type ATP synthase . [ 5 ]
A part of F1 ATP synthase complex: alpha, beta and gamma subunits (The alpha and beta (or A and B) subunits are found in the F1, V1, and A1 complexes of F-, V- and A-ATPases, respectively, as well as flagellar (T3SS) ATPase and the termination factor Rho. The subunits make up a ring that contains the ATP-hydrolyzing (or producing) catalytic core.
It is generally seen as the polar opposite of ATP synthase because ATP synthase is a proton channel that uses the energy from a proton gradient to produce ATP. V-ATPase however, is a proton pump that uses the energy from ATP hydrolysis to produce a proton gradient. The Archaea-type ATPase (A-ATPase) is a related group of ATPases found in ...
ATPase, subunit C of Fo/Vo complex is the main transmembrane subunit of V-type, A-type and F-type ATP synthases. Subunit C (also called subunit 9, or proteolipid in F-ATPases, or the 16 kDa proteolipid in V-ATPases) was found in the Fo or Vo complex of F- and V-ATPases, respectively.
Proton ATPase, graphic representation. In the field of enzymology, a proton ATPase, or H +-ATPase, is an enzyme that catalyzes the following chemical reaction: ATP + H 2 O + H + in ADP + phosphate + H + out. The 3 substrates of this enzyme are ATP, H 2 O, and H +, whereas its 3 products are ADP, phosphate, and H +.