# phosphomutant

> English word · Noun

## Definitions
1. A mutant protein that is a phosphoprotein, wherein the mutation changes one or more amino acids modifiable by phosphorylation into non-phosphorylatable residues.

## Etymology
From phospho- + mutant.

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