Table 1.

Summary of chronoamperometry experiments quantifying the extent of O₂ inhibition in native Hyd‐1 and the Hyd1‐H229A variant.

		Proportion of initial H2‐oxidation current sustained after 5 min 3 % O2, 3 % H2 [%]	Maximum proportion of recovered activity [%]
pH 4.5	Native Hyd‐1	30	93
	Hyd1‐H229A	21	94
pH 6.0	Native Hyd‐1	37	96
	Hyd1‐H229A	27	88
pH 7.6	Native Hyd‐1	40	90
	Hyd1‐H229A	24	88