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Fig. 5 | Biotechnology for Biofuels

Fig. 5

From: Hydrogenation of CO2 at ambient pressure catalyzed by a highly active thermostable biocatalyst

Fig. 5

Characterization of the enzymatic properties of the HDCR from T. kivui. Methylviologen-dependent hydrogenase and formate dehydrogenase activity was measured with H2 (100% in the gas phase, 1.1 × 105 Pa) or formate (10 mM) as electron donor and methylviologen (10 mM) as electron acceptor. a Temperature dependence of the hydrogenase activity. b Temperature dependence of the formate dehydrogenase activity. c pH dependence of the hydrogenase activity. d pH dependence of the formate dehydrogenase activity. a and b buffer: 100 mM HEPES/NaOH, 2 mM DTE, pH 7.0. c and d buffer: 50 mM MES, 50 mM MOPS, 50 mM HEPES, 50 mM EPPS, 50 mM CHES, 2 mM DTE, pH as indicated

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