Tags: Enzyme.
In enzymology an RNA ligase (ATP) (EC 6.5.1.3) is an enzyme that catalyzes the chemical reactionATP + (ribonucleotide)n + (ribonucleotide)m AMP + diphosphate + (ribonucleotide)n+mThe 3 substrates of this enzyme are ATP (ribonucleotide)n and (ribonucleotide)m whereas its 3 products are AMP diphosphate and (ribonucleotide)n+m.This enzyme belongs to the family of ligases specifically those forming phosphoric-ester bonds.