Ribose-Phosphate Pyrophosphokinase

**Definition:** An enzyme that catalyzes the formation of phosphoribosyl pyrophosphate from ATP and ribose-5-phosphate. EC 2.7.6.1.

**Tree numbers:** - D08.811.913.696.175.650

**Synonyms:** - Phosphoribosyl Pyrophosphate Synthetase - PRPP Synthetase - Ribosephosphate Pyrophosphokinase - 5-Phospho-alpha-D-Ribose 1-Diphosphate Synthetase - PRibPP Synthetase