noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Polynucleotide phosphorylase, an RNA-degrading protein
2. 2
   Purine nucleoside phosphorylase, an enzyme involved in purine metabolism

Etymology

From PNP + -ase.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.