KEGG Orthology (KO) [BR:ko00001] 09100 Metabolism 09102 Energy metabolism 00910 Nitrogen metabolism [PATH:ko00910] K00376 nosZ; nitrous-oxide reductase [EC:1.7.2.4] Enzymes [BR:ko01000] 1. Oxidoreductases 1.7 Acting on other nitrogenous compounds as donors 1.7.2 With a cytochrome as acceptor 1.7.2.4 nitrous-oxide reductase K00376 nosZ; nitrous-oxide reductase [EC:1.7.2.4]