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Some ATPases work in reverse, using the energy from the hydrolysis of ATP to create a proton gradient. There are different types of ATPases, which can differ in function (ATP synthesis and/or hydrolysis), structure (F-, V- and A-ATPases contain rotary motors) and in the type of ions they transport. [3] [4] The types with this domain include:
The following other wikis use this file: Usage on ar.wikipedia.org أكسجين; Usage on bs.wikipedia.org Adenozin-trifosfat; Oksianion; Usage on cs.wikipedia.org
This Mg 2+ ion also coordinates with the terminal aspartate residue in the Walker B motif through the attacking H 2 O. [33] [34] [39] A general base, which may be the glutamate residue adjacent to the Walker B motif, [31] [40] [46] glutamine in the Q-loop, [30] [36] [40] or a histidine in the switch region that forms a hydrogen bond with the γ ...
Most useful ATP analogs cannot be hydrolyzed as ATP would be; instead, they trap the enzyme in a structure closely related to the ATP-bound state. Adenosine 5′-(γ-thiotriphosphate) is an extremely common ATP analog in which one of the gamma-phosphate oxygens is replaced by a sulfur atom; this anion is hydrolyzed at a dramatically slower rate ...
The electron transport chain of photosynthesis is often put in a diagram called the Z-scheme, because the redox diagram from P680 to P700 resembles the letter Z. [3] The final product of PSII is plastoquinol, a mobile electron carrier in the membrane. Plastoquinol transfers the electron from PSII to the proton pump, cytochrome b6f. The ultimate ...
Molecular structure of adenosine triphosphate (ATP) An ATP-binding motif is a 250-residue sequence within an ATP-binding protein’s primary structure. The binding motif is associated with a protein’s structure and/or function. [1] ATP is a molecule of energy, and can be a coenzyme, involved in a number of biological reactions.