L-proline betaine + NADH + O2 + H(+) <=> N-methyl-L-proline + formaldehyde + NAD(+) + H2O
l-proline betaine + nadh + o2 + h(+) <=> n-methyl-l-proline + formaldehyde + nad(+) + h2o
L-proline betaine + NADH + O2 + H(+) <=> N-methyl-L-proline + formaldehyde + NAD(+) + H2O
l-proline betaine + nadh + o2 + h(+) <=> n-methyl-l-proline + formaldehyde + nad(+) + h2o