phosphoribosyltransferase

noun

An enzyme that transfers a phosphoribosyl group from a donor molecule like phosphoribosyl pyrophosphate to an acceptor molecule, typically a purine or pyrimidine base. This process is important for the salvage pathways in nucleotide metabolism, helping cells recycle bases to create nucleotides.

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Meanings

nounphosphoribosyltransferase (plural phosphoribosyltransferases)

plural phosphoribosyltransferases

  1. biochemistryAn enzyme that transfers a phosphoribosyl group from a donor molecule like phosphoribosyl pyrophosphate to an acceptor molecule, typically a purine or pyrimidine base. This process is important for the salvage pathways in nucleotide metabolism, helping cells recycle bases to create nucleotides.

Origin

From phosphoribosyl + transferase.

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Cite this entry
APA

phosphoribosyltransferase. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/phosphoribosyltransferase

MLA

“phosphoribosyltransferase.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/phosphoribosyltransferase. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “phosphoribosyltransferase,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/phosphoribosyltransferase.

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