6.5.1.2	ATP + (deoxyribonucleotide)n + (deoxyribonucleotide)m	NAD+-dependent DNA ligase LigN is non-essential for cell viability. Haloferax volcanii also encodes the ATP-dependent DNA ligase LigA. As with LigN, LigA is also non-essential for cell viability. Simultaneous inactivation of both proteins is lethal, however, indicating that they share an essential function	Haloferax volcanii	AMP + diphosphate + (deoxyribonucleotide)n+m	-	?	804	
6.5.1.2	ATP + (dT)10	-	Thermus thermophilus	?	-	?	453788	
6.5.1.2	ATP + 5'-phosphate terminus of deoxyribonucleotides	-	Salmonella enterica subsp. enterica serovar Typhimurium	?	-	?	453790	
6.5.1.2	ATP + 5'-phosphate terminus of deoxyribonucleotides	-	Bacillus subtilis	?	-	?	453790	
6.5.1.2	ATP + 5'-phosphate terminus of deoxyribonucleotides	-	Thermus thermophilus	?	-	?	453790	
6.5.1.2	ATP + 5'-phosphate terminus of deoxyribonucleotides	-	Escherichia coli	?	-	?	453790	
6.5.1.2	ATP + 5'-phosphoryl termini of poly(dA-dT)	-	Thermus thermophilus	?	-	?	453789	
6.5.1.2	ATP + acridinium-ester labelled DNA	-	Staphylococcus aureus	?	-	?	453786	
6.5.1.2	ATP + DNA	-	Melanoplus sanguinipes	?	-	?	447022	
6.5.1.2	ATP + nicked DNA	-	Escherichia coli	AMP + diphosphate + ?	-	?	453785