RNA Ligase (ATP)

**Definition:** An enzyme that catalyzes the conversion of linear RNA to a circular form by the transfer of the 5'-phosphate to the 3'-hydroxyl terminus. It also catalyzes the covalent joining of two polyribonucleotides in phosphodiester linkage. EC 6.5.1.3.

**Tree numbers:** - D08.811.464.754.720

**Synonyms:** - Polyribonucleotide Synthetase