KEGG Orthology (KO) [BR:ko00001] 09100 Metabolism 09104 Nucleotide metabolism 00240 Pyrimidine metabolism [PATH:ko00240] K01937 pyrG, CTPS; CTP synthase [EC:6.3.4.2] Enzymes [BR:ko01000] 6. Ligases 6.3 Forming carbon-nitrogen bonds 6.3.4 Other carbon-nitrogen ligases 6.3.4.2 CTP synthase (glutamine hydrolysing) K01937 pyrG, CTPS; CTP synthase [EC:6.3.4.2]