1.5.3.10 D552A mutation leads to increased formaldehyde release 698911 1.5.3.10 H225Q modest changes in kinetic parameters, no stabilization of FADH2-iminium charge-transfer complex 672060 1.5.3.10 H225Q site-directed mutagenesis, reduced catalytic activity compared to the wild-type enzyme 655336 1.5.3.10 additional information complete removal of 5,10-CH2-THF synthase domain through expression of a truncated version generates a mutant enzyme unable to avoid hydrolysis of the imine species generated following amine oxidation 698911 1.5.3.10 Y259F able to oxidize substrate, steady-state turnover is attenuated 200fold, rate of FAD reduction is substantially impaired, no stabilization of FADH2-iminium charge-transfer complex 672060 1.5.3.10 Y259F site-directed mutagenesis, reduced catalytic activity compared to the wild-type enzyme 655336