Triose phosphate translocator
The triose phosphate translocator is an integral membrane protein found in the outer membrane of chloroplasts. It exports triose phosphate (Dihydroxyacetone phosphate) in exchange for inorganic phosphate and is therefore classified as an antiporter. The imported phosphate is then used for ATP regenereation via the lightreaction; the ATP may then be used for further reactions in the Clavin-cycle.The Translocator protein is responsible for exporting all the carbohydrate produced in photosynthesis by plants and therefore most of the carbon in food that one eats has been transported by the triose phosphate translocator.[1]
References
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