amidophosphoribosyltransferase

/əˌmiːdoʊˌfɒsfəˌraɪbəʊzɪlˌtrænsfəˈreɪs/

noun

An enzyme that catalyzes the first committed step in purine synthesis, converting PRPP and glutamine into a precursor used to make purine nucleotides such as adenine and guanine.

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Meanings

nounamidophosphoribosyltransferase (uncountable, abbreviation ATase)

abbreviation ATase

  1. uncountablebiochemistryAn enzyme that catalyzes the first committed step in purine synthesis, converting PRPP and glutamine into a precursor used to make purine nucleotides such as adenine and guanine.

Origin

From amido + phosphoribosyltransferase

Full word history & related roots →
Cite this entry
APA

amidophosphoribosyltransferase. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/amidophosphoribosyltransferase

MLA

“amidophosphoribosyltransferase.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/amidophosphoribosyltransferase. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “amidophosphoribosyltransferase,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/amidophosphoribosyltransferase.

Source: amidophosphoribosyltransferase on Wiktionary, CC BY-SA 4.0.