L-proline betaine + NADPH + O2 + H(+) => N-methyl-L-proline + formaldehyde + NADP(+) + H2O
l-proline betaine + nadph + o2 + h(+) => n-methyl-l-proline + formaldehyde + nadp(+) + h2o
L-proline betaine + NADPH + O2 + H(+) => N-methyl-L-proline + formaldehyde + NADP(+) + H2O
l-proline betaine + nadph + o2 + h(+) => n-methyl-l-proline + formaldehyde + nadp(+) + h2o