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ligase Syllabification: li·gase
Pronunciation: /ˈlīˌɡās/ /-ˌɡāz/

Definition of ligase in English:


An enzyme that brings about ligation of DNA or another substance.
Example sentences
  • These DNA-binding proteins include polymerases, helicases, nucleases, isomerases, ligases, histones, and others.
  • After all, in nature we can and do observe bacteria using restriction endonucleases and ligases to cut DNA.
  • This study shows that in a competition between the two enzymes, DNA ligase trumps the flap endonuclease in capturing bubbles and creating expanded tracts.


1960s: from Latin ligare 'to bind' + -ase.

Definition of ligase in:

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