Table 1. Photocatalysis parameters of Ru–protein–Co biohybrids in 10 mM MES buffer, pH 6.3 with 100 mM sodium ascorbate as a sacrificial electron donor.

System	TOF [mol H2 (mol PS)–1 h–1]	TON a [mol H2 (mol PS)–1]	H2 prod. QE
Ru–Fd–CoBF2 b	50 ± 10	210 ± 60	1.0 ± 0.3%
Ru–ApoFd–CoBF2 b	0 c	0 c	Nd d
Ru–GaFd–CoBF2	0 c	0 c	Nd d
Ru–Fd–CoPy	170 ± 10	650 ± 150	Nd d
Ru–ApoFld–CoBF2	30 ± 10	85 ± 35	0.4 ± 0.1%

^aTON determined after 6 h.

^b Ref. 22.

^cNo measureable H₂ detected in GC traces.

^dNot determined.