1.12.7.2 37 - - 704088 1.12.7.2 45 - - 688848 1.12.7.2 49 - - 439660 1.12.7.2 50 - - 439654 1.12.7.2 60 - - 439650 1.12.7.2 60 - hydrogen evolution 439665 1.12.7.2 60 - the minimal catalytically active 4-subunit subcomplex of respiratory membrane-bound hydrogenase, H2 formation with the physiological electron donor, reduced ferredoxin 730867 1.12.7.2 65 - - 439659 1.12.7.2 80 - sulfur reductase activity 439664 1.12.7.2 90 - above 90°C, hydrogenase II 439641 1.12.7.2 95 - above 95°C, hydrogen oxidation 439632, 439664 1.12.7.2 95 - hydrogen evolution 439632