Amidophosphoribosyltransferase

**Definition:** An enzyme, involved in the early steps of purine nucleotide biosynthesis, that catalyzes the formation of 5-phosphoribosylamine from glutamine and phosphoribosylpyrophosphate. EC 2.4.2.14.

**Tree numbers:** - D08.811.913.400.725.130

**Synonyms:** - Glutamine Phosphoribosyl Pyrophosphate Amidotransferase - Glutamine-Amidophosphoribosyltransferase - Phosphoribosyl Pyrophosphate Amidotransferase - Phosphoribosyldiphosphate 5-Amidotransferase