6.5.1.3	ATP + (ribonucleotide)n + (ribonucleotide)m	RNA substrates containing a 5'-phosphate terminus at one end and either a 2',3'-cyclic phosphate or a 2'-phosphate terminus at the other end. In the latter case the reaction is about 30% as active as with the cyclic derivative	Triticum aestivum	AMP + diphosphate + (ribonucleotide)n+m	-	?	813	
6.5.1.3	ATP + (ribonucleotide)n + (ribonucleotide)m	participates in an in vitro splicing of yeast transfer RNA precursors containing intervening sequences. Covalently ligates tRNA5' and 3' half-molecules produced by a yeast endonuclease	Triticum aestivum	AMP + diphosphate + (ribonucleotide)n+m	-	?	813	
6.5.1.3	ATP + (ribonucleotide)n + (ribonucleotide)m	conversion of linear polyribonucleotides into covalently closed circles, formation of a 2'-phosphomonoester,3',5'-phosphodiester linkage	Triticum aestivum	AMP + diphosphate + (ribonucleotide)n+m	-	?	813	
6.5.1.3	ATP + (ribonucleotide)n + (ribonucleotide)m	converts linear molecules of polyriboadenylate to circular form by the intramolecular covalent linkage of the 5'-phosphate end to the 3'-hydroxyl terminus	Tequatrovirus T4	AMP + diphosphate + (ribonucleotide)n+m	-	?	813	
6.5.1.3	ATP + (ribonucleotide)n + (ribonucleotide)m	formation of a phosphodiester bond between a 5'-PO4-terminated oligonucleotide and a 3'-OH terminated oligonucleotide. Intramolecular formation of single-stranded circles with longer oligonucleotides of the type pAp(Ap)nAOH, where n is about 15 or greater. Intermolecular joining of pAp(Ap)3AOH, where the 5'-PO4-terminated oligonucleotide is short enough to prevent apposition of its 3' and 5' ends, to UpUpUOH	Tequatrovirus T4	AMP + diphosphate + (ribonucleotide)n+m	-	?	813	
6.5.1.3	ATP + (ribonucleotide)n + (ribonucleotide)m	cylization of poly(A)	Tequatrovirus T4	AMP + diphosphate + (ribonucleotide)n+m	-	?	813	
6.5.1.3	ATP + (ribonucleotide)n + (ribonucleotide)m	the best substrate is [5'-P]polyriboadenylate	Tequatrovirus T4	AMP + diphosphate + (ribonucleotide)n+m	-	?	813	
6.5.1.3	ATP + (ribonucleotide)n + (ribonucleotide)m	ligates two substrate RNAs, promoting the attack of the 3'-hydroxyl of one substrate upon the 5'-triphosphate of the other substrate with release of diphosphate, reverse of ligation has been detected, but very inefficient, not saturable by soluble amounts of diphosphate	synthetic construct	AMP + diphosphate + (ribonucleotide)n+m	-	?	813	
6.5.1.3	ATP + (ribonucleotide)n + (ribonucleotide)m	only the di-magnesium-coordinated form Mg2ATP0 reacts with the enzyme, forming the covalent complex E-AMP, the reverse reaction, ATP synthesis, occurs between the mono-magnesium-coordinated diphosphate from MgP2O72- and the enzyme-MgAMP complex	Tequatrovirus T4	AMP + diphosphate + (ribonucleotide)n+m	-	r	813	
6.5.1.3	ATP + (ribonucleotide)n + (ribonucleotide)m	catalyzes RNA end-joining	Vibrio phage KVP40	AMP + diphosphate + (ribonucleotide)n+m	-	?	813