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phosphoribulokinase

Pronunciation: fos'fo-ri'byu-lo-ki'nas

Definition: An enzyme that, in the presence of ATP, catalyzes the phosphorylation of d-ribulose 5-phosphate to d-ribulose 1,5-bisphosphate and ADP, a reaction of importance in the carbon dioxide fixation cycle of photosynthesis.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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