GO molecular function ontology term - GO:0003909 - DNA ligase activity

Term summary

ID

GO:0003909

Name

DNA ligase activity

Ontology or CV name

GO molecular function

Definition

Catalysis of the formation of a phosphodiester bond between the 3'-hydroxyl group at the end of one DNA chain and the 5'-phosphate group at the end of another. This reaction requires an energy source such as ATP or NAD+.

Parents

• is_a ligase activity, forming phosphoric ester bonds
• is_a catalytic activity, acting on DNA

Annotation