"particulate methane monooxygenase (pMMO)" . . . . "methane monooxygenases (MMOs)" . . . . . . . . . . "pMMO" . . "Methane monooxygenase" . "methane monooxygenase (MMO)" . "sMMO" . . "MMO" . "Methane monooxygenase" . "soluble methane monooxygenases" . . "methane monooxygenase (soluble)" . "methane monooxygenase" .