Reported enzyme(s):
2.7.7.14 ethanolamine-phosphate cytidylyltransferase
2.7.7.15 choline-phosphate cytidylyltransferase

Possible enzyme(s):

Reported enzyme(s):
2.7.8.1 ethanolaminephosphotransferase
2.7.8.22 1-alkenyl-2-acylglycerol choline phosphotransferase

Possible enzyme(s):
2.7.7.2 FMN adenylyltransferase

Reported enzyme(s):
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

Possible enzyme(s):
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

Reported enzyme(s):

Possible enzyme(s):
1.17.4.1 ribonucleoside-diphosphate reductase
1.17.4.2 ribonucleoside-triphosphate reductase

Reported enzyme(s):

Possible enzyme(s):
1.5.3.11 polyamine oxidase
1.5.99.6 spermidine dehydrogenase
2.1.1.103 phosphoethanolamine N-methyltransferase
2.1.1.53 putrescine N-methyltransferase
2.1.3.3 ornithine carbamoyltransferase
2.1.3.6 putrescine carbamoyltransferase
2.1.4.1 glycine amidinotransferase
2.1.4.2 scyllo-inosamine-4-phosphate amidinotransferase
2.3.1.127 ornithine N-benzoyltransferase
2.3.1.138 putrescine N-hydroxycinnamoyltransferase
2.3.1.57 diamine N-acetyltransferase
2.3.1.64 agmatine N4-coumaroyltransferase
2.5.1.16 spermidine synthase
2.5.1.22 spermine synthase
2.5.1.23 sym-norspermidine synthase
2.5.1.44 homospermidine synthase
2.5.1.45 homospermidine synthase (spermidine-specific)
2.5.1.46 deoxyhypusine synthase
2.6.1.11 acetylornithine transaminase
2.6.1.13 ornithine-oxo-acid transaminase
2.6.1.29 diamine transaminase
2.6.1.46 diaminobutyrate-pyruvate transaminase
2.6.1.48 5-aminovalerate transaminase
2.7.3.10 agmatine kinase
3.5.1.20 citrullinase
3.5.1.40 acylagmatine amidase
3.5.1.51 4-acetamidobutyryl-CoA deacetylase
3.5.1.53 N-carbamoylputrescine amidase
3.5.1.60 N-(long-chain-acyl)ethanolamine deacylase
3.5.1.62 acetylputrescine deacetylase
3.5.1.63 4-acetamidobutyrate deacetylase
3.5.3.1 arginase
3.5.3.10 D-arginase
3.5.3.11 agmatinase
3.5.3.20 diguanidinobutanase
3.5.3.22 proclavaminate amidinohydrolase
3.5.3.7 guanidinobutyrase
6.3.1.9 trypanothione synthase

Reported enzyme(s):

Possible enzyme(s):
2.4.2.2 pyrimidine-nucleoside phosphorylase
3.2.2.8 ribosylpyrimidine nucleosidase

Reported enzyme(s):

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

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):
3.1.3.6 3'-nucleotidase

Reported enzyme(s):

Possible enzyme(s):
3.2.2.10 pyrimidine-5'-nucleotide nucleosidase

Reported enzyme(s):

Possible enzyme(s):
3.5.4.13 dCTP deaminase
3.5.4.5 cytidine deaminase

Reported enzyme(s):

Possible enzyme(s):
4.1.2.27 sphinganine-1-phosphate aldolase
4.2.3.2 ethanolamine-phosphate phospho-lyase

Reported enzyme(s):

Possible enzyme(s):
6.3.4.2 CTP synthase