# polyglutamylation

> English word · Noun

## Definitions
1. The posttranslational modification of a protein (especially a tubulin) by the addition of glutamate to existing glutamate residues

## Etymology
From poly- + glutamyl + -ation.

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