Table 1. The kinetic parameters of FDHs^[a].

	K A (mM)	K iA (mM)	K B (mM)	k cat (1/s)	k cat/K B (1/mM·s)
TsFDH[b]	0.281±0.081	0.005±0.002	16.24±5.39	1.769±0.441	0.109	3.2×10−1
TsFDH[c]	0.264±0.076	0.126±0.053	9.23±3.98	0.318±0.051	0.034
CbFDH[b]	0.102±0.030	0.134±0.087	8.55±2.56	1.081±0.109	0.126	3.8×10−3
CbFDH[c]	0.512±0.186	0.014±0.010	31.28±8.05	0.015±0.005	0.0004

^[a]Kinetic parameters for the forward (formate oxidation) and reverse (CO₂ reduction) reactions were calculated by fitting the initial rates to equation (1).

^[b]Formate oxidation (A: NAD⁺, B: sodium formate).

^[c]CO₂ reduction (A: NADH, B: sodium bicarbonate).