noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An oligopeptide composed of five lysine amino acids countable, uncountable
2. 2
   A group of five lysine residues in a protein countable, uncountable

Etymology

From penta- + lysine.

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