1.12.1.2 4.3 - evolution of H2 in the presence of reduced methyl viologen 672282 1.12.1.2 6 - electron donor NADH 439702 1.12.1.2 6.1 - electron acceptor NAD+, no addition of Ni2+, Tris/MES buffer 439702 1.12.1.2 6.3 - strain PCC 6803, hydrogen-forming activity 654821 1.12.1.2 6.8 - evolution of H2 in the presence of NADH or NADPH 672282 1.12.1.2 7 - assay at 439633, 654388, 655307 1.12.1.2 7 - assay at, free living cell culture in vivo 655638 1.12.1.2 7 - assay at, H2 evolution 654285 1.12.1.2 7 - methylene blue reduction, catalytic amounts of NAD+ required 439701 1.12.1.2 7.8 8 electron acceptor NAD+, in triethanolamine/HCl buffer containing NiCl2 439702