Table 2.

Rate constants from pre-steady-state kinetics of formaldehyde oxidoreductase plus formaldehyde or deuterated formaldehyde or formate at 50 °C

	UV–vis			Fluorescence
	CH2O	CD2O	Formate	CH2O
k1 (s−1)	4.7	1.12	0.51	4.7
k2 (s−1)	1.9	0.94	2.00 × 10−2	1.9
k3 (s−1)	6.10 × 10−2	6.07 × 10−2		6.10 × 10−2
k4 (s−1)	2.18 × 10−2	2.26 × 10−2