ss00954 mmoX Methane monooxygenase component A alpha chain (EC 1.14.13.25) ss00954 mmoY Methane monooxygenase component A beta chain (EC 1.14.13.25) ss00954 mmoZ Methane monooxygenase component A gamma chain (EC 1.14.13.25) ss00954 mmoC Methane monooxygenase component C (EC 1.14.13.25) ss00954 mmoB Methane monooxygenase regulatory protein B ss00954 mmoD Methane monooxygenase component D (EC 1.14.13.25)