# PNPase

> English word · Noun

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

## Etymology
From PNP + -ase.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/pnpase