RNA ligase (ATP) activity https://github.com/geneontology/go-ontology/issues/27418 https://github.com/geneontology/go-ontology/issues/30193 poly(ribonucleotide):poly(ribonucleotide) ligase (AMP-forming) molecular_function GO:0003972 ribonucleic ligase activity Reactome:R-HSA-5696816 polyribonucleotide synthase (ATP) activity MetaCyc:RNA-LIGASE-ATP-RXN EC:6.5.1.3 Catalysis of the reaction: ATP + (ribonucleotide)n-3'-hydroxyl + 5'-phospho-(ribonucleotide)m = (ribonucleotide)n+m + AMP + diphosphate. polyribonucleotide ligase activity RNA ligase activity