What is the role of ATP synthase and how does is work?

Answer 1

ATP synthase is a key enzyme in energy transformation of a living cell. The enzyme makes adenosine triphosphate (ATP) from adenosine diiphosphate (ADP) and inorganic phosphate (Pi).

ADP + Pi <=> ATP ATP is a universal "energy currency" of a living cell and is essential for DNA synthesis, muscle contraction, ion and nutrients transport, signal transduction, etc.

The amazing feature of ATP synthase is rotary catalysis: a complex of subunits rotates relative to the rest of the enzyme and the mechanical energy of rotation is driving ATP synthesis reaction.

In turn, the rotation is powered by transport of protons trough the membrane segment of ATP synthase. The driving force for this transport is the electrochemical potential difference of proton across the membrane.

ATP synthase is therefore the smallest mechano-electro-chemical energy transducer that works as a nanoturbine.

A much more detailed description of ATP synthase is available at

www.atpsynthase.info

Answer 2

ATP synthase is an enzyme that can synthesize ADP and phosphate to create ATP.

It is located in the mitochondrial membrane for the process of cellular respiration and the thylakoid membrane for the process of photosynthesis.

For both processes, when there is an imbalance of H+ concentration on either side of the membrane, a gradient is created.

In the mitochondria, there becomes more H+ concentration in the intermembrane space. In the thylakoid, there becomes more H+ concentration in the thylakoid space. In the mitochondria, this gradient causes H+ to move back to the matrix through ATP synthase.

In the thylakoid, this gradient causes H+ to move back to the stroma also through ATP synthase. As the H+ passes through ATP synthase for both processes, ATP is produced.

Answer 3

The way ATP synthase works is that the 2 high energy electrons used in most of photosynthesis procedures with NADPH are converted into two separate molecules and carried between the chloroplast inner membrane. The ATP synthase controlls the course of those two molecules and carries them to different sections in the inner membrane thylakoids.

Apex: It uses the potential energy of flowing hydrogen ions to make ATP

Answer 4

ATP synthase is an enzyme located in the inner membrane of mitochondria and the thylakoid membrane of chloroplasts. Its role is to produce ATP from ADP and inorganic phosphate by utilizing the energy generated from a proton gradient across the membrane. This process combines ADP and inorganic phosphate to form ATP, which is the primary energy currency of the cell.

Answer 5

The enzyme ATP synthase is a complex molecular machine found in the cell. It uses a hydrogen ion gradient to drive the production of ATP or adenosine triphosphate.

Answer 6

ATP synthase is found in the inner mitochondrial membrane and the thylakoid membranes. Their job, as their name implies, is to phosphorylate ATP using ADP and proton gradient.

Answer 7

H+ Ions