Ammonia monooxygenase plays a key role in the nitrogen cycle and degrades a wide range of hydrocarbons and halogenated hydrocarbons. This family represents the AmoC subunit. It also includes the particulate methane monooxygenase subunit PmoC from methanotrophic bacteria [1,2].

1: Transcription of the amoC, amoA and amoB genes in Nitrosomonas europaea and Nitrosospira sp. NpAV. Sayavedra-Soto LA, Hommes NG, Alzerreca JJ, Arp DJ, Norton JM, Klotz MG; FEMS Microbiol Lett 1998;167:81-88. PMID:9785456

2: Role of multiple gene copies in particulate methane monooxygenase activity in the methane-oxidizing bacterium Methylococcus capsulatus Bath. Stolyar S, Costello AM, Peeples TL, Lidstrom ME; Microbiology 1999;145:1235-1244. PMID:10376840