synthase (glutamine-hydrolysing) : adenosylcobyric acid synthase (glutamine-hydrolysing) : cobyrinate a,c-diamide synthase : Ni-sirohydrochlorin a,c-diamide synthase * : lipid II isoglutaminyl synthase (glutamine-hydrolysing) * * No Wikipedia article EC 6.4: Forming Carbon-Carbon Bonds EC 6.4.1: Ligases that form carbon-carbon bonds (only sub-subclass identified to date) : pyruvate carboxylase : acetyl-CoA carboxylase : propionyl-CoA carboxylase : methylcrotonoyl-CoA carboxylase : geranoyl-CoA carboxylase : acetone carboxylase : 2-oxoglutarate carboxylase : acetophenone carboxylase : coenzyme F430 synthetase * *No Wikipedia article EC 6.5: Forming Phosphoric Ester Bonds EC 6.5.1: Ligases that form phosphoric-ester bonds (only sub-subclass identified to date) : DNA ligase (ATP) : DNA ligase (NAD+) : RNA ligase (ATP) : RNA 3′-terminal-phosphate cyclase (ATP) : RNA 3′-terminal-phosphate cyclase (GTP) * : DNA ligase (ATP or NAD+) * : DNA ligase (ATP, ADP or GTP) * : 3′-phosphate/5′-hydroxy nucleic acid ligase * : cyclic 2,3-diphosphoglycerate synthase * * No Wikipedia article EC 6.6: Forming Nitrogen-Metal Bonds EC 6.6.1: Forming Coordination Complexes : magnesium chelatase : cobaltochelatase EC 6.7: Forming nitrogen-nitrogen bonds EC 6.7.1: Forming diazo bonds : 3-amino-2-hydroxy-4-methoxybenzoate * * No Wikipedia article References Ligases EC6