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ATP synthase is a transmembrane enzyme complex, which catalyses the generation of ATP through the condensation of ADP plus Pi. Its primary role is to produce high energy ATP molecule. ATP synthase brings out the formation of ATP at the time of light-reaction photosynthesis.
Electron transport and ATP synthesis during photosynthesis. Five protein complexes in the thylakoid membrane function in electron transport and the synthesis of ATP and NADPH. Photons are absorbed by complexes of pigment molecules associated with photosystems
In non-cyclic photophosphorylation, cytochrome b6f uses the energy of electrons from PSII to pump hydrogen ions from the lumen to the stroma; this energy allows ATP synthase to attach a third phosphate group to ADP, which forms ATP.
21 Δεκ 2007 · The chloroplast ATP synthase complex catalyzes the synthesis of ATP from ADP and free phosphate by coupling anhydride bond formation with the proton transmembrane electrochemical potential (Δμ H+) across the thylakoid membrane.
9 Αυγ 2002 · The key to understanding ATP synthesis is the coupling ATPase, also called ATP synthase. This protein complex has a large, water-soluble, membrane-extrinsic domain with pure ATPase activity. This “coupling factor” is termed F 1 for mitochondria and CF 1 for chloroplasts.
21 Μαρ 2024 · A primary difference is the ultimate source of the energy for ATP synthesis. In oxidative phosphorylation, the energy comes from electrons produced by oxidation of biological molecules. In photosynthesis, the energy comes from the light of the sun.
28 Αυγ 2023 · As we saw in mitochondrial electron transport, this passage of electrons is accompanied by the movement of protons from the lumen to the stroma with the ultimate collapse back into the lumen through a rotatory ATP synthase to form the ATP required for reductive biosynthesis.
