Reported enzyme(s):
3.2.2.5 NAD+ nucleosidase
3.2.2.6 NAD(P)+ nucleosidase

Possible enzyme(s):
2.4.2.30 NAD+ ADP-ribosyltransferase
2.4.2.36 NAD+-diphthamide ADP-ribosyltransferase
2.4.2.37 NAD+-dinitrogen-reductase ADP-D-ribosyltransferase

Reported enzyme(s):
2.7.1.23 NAD+ kinase
2.7.1.86 NADH kinase

Possible enzyme(s):

Reported enzyme(s):

Possible enzyme(s):
2.4.2.31 NAD(P)+-protein-arginine ADP-ribosyltransferase

Reported enzyme(s):

Possible enzyme(s):
2.7.1.24 dephospho-CoA kinase
2.7.1.25 adenylyl-sulfate kinase
2.7.6.5 GTP diphosphokinase
3.1.3.7 3'(2'),5'-bisphosphate nucleotidase

Reported enzyme(s):

Possible enzyme(s):
2.7.7.1 nicotinamide-nucleotide adenylyltransferase
2.7.7.18 nicotinate-nucleotide adenylyltransferase
2.7.7.57 N-methylphosphoethanolamine cytidylyltransferase

Reported enzyme(s):

Possible enzyme(s):
2.7.7.14 ethanolamine-phosphate cytidylyltransferase
2.7.7.15 choline-phosphate cytidylyltransferase
2.7.7.3 pantetheine-phosphate adenylyltransferase
2.7.7.39 glycerol-3-phosphate cytidylyltransferase
2.7.7.40 D-ribitol-5-phosphate cytidylyltransferase
2.7.8.10 sphingosine cholinephosphotransferase
2.7.8.2 diacylglycerol cholinephosphotransferase
2.7.8.3 ceramide cholinephosphotransferase
2.7.8.4 serine-phosphoethanolamine synthase
3.6.1.16 CDP-glycerol diphosphatase
3.6.1.18 FAD diphosphatase
3.6.1.22 NAD+ diphosphatase
3.6.1.9 nucleotide diphosphatase

Reported enzyme(s):

Possible enzyme(s):
2.7.7.2 FMN adenylyltransferase
2.7.8.1 ethanolaminephosphotransferase
2.7.8.22 1-alkenyl-2-acylglycerol choline phosphotransferase

Reported enzyme(s):

Possible enzyme(s):
3.1.3.6 3'-nucleotidase

Reported enzyme(s):

Possible enzyme(s):
6.3.1.5 NAD+ synthase

Reported enzyme(s):

Possible enzyme(s):
6.3.5.1 NAD+ synthase (glutamine-hydrolysing)