6.5.1.1 DNA ligase (ATP) - 6.5.1.2 DNA ligase (NAD+) - 6.5.1.3 RNA ligase (ATP) - 6.5.1.4 RNA 3'-terminal-phosphate cyclase (ATP) - 6.5.1.5 RNA 3'-terminal-phosphate cyclase (GTP) - 6.5.1.6 DNA ligase (ATP or NAD+) - 6.5.1.7 DNA ligase (ATP, ADP or GTP) - 6.5.1.8 3'-phosphate/5'-hydroxy nucleic acid ligase - 6.5.1.9 cyclic 2,3-diphosphoglycerate synthase - 6.5.1.B1 2'-5' RNA ligase (NTP-independent) preliminary BRENDA-supplied EC number