1.97.1.9 Iron 12.9 mol per mol of enzyme, based on MW 159000 644811 1.97.1.9 Iron in FeS-centres 644815 1.97.1.9 Iron iron-sulfur centre 657903, 658902 1.97.1.9 Iron non-heme iron, 18 mol per mol of enzyme 671468 1.97.1.9 Iron part of at least 2 iron-sulfur centres per enzyme molecule and of the heme group of cytochrome b 644811 1.97.1.9 Iron [3Fe–4S]1+ and [4Fe–4S]1+ centres 684986 1.97.1.9 Mo2+ role of Mo2+ in selenate reductase 745578 1.97.1.9 Molybdenum - 644812, 644815, 699361, 714365, 715508 1.97.1.9 Molybdenum 0.6 mol per mol of enzyme 671468 1.97.1.9 Molybdenum 1 molybdenum per mol of trimer 644811 1.97.1.9 Molybdenum enhances the activity 10fold in vivo when added to the growth medium 644816 1.97.1.9 Molybdenum in the active site 644812 1.97.1.9 Molybdenum Mo-S, Mo=O and Mo-O bound to enzyme 658902 1.97.1.9 Molybdenum present at the active site 657903 1.97.1.9 Molybdenum required 644816 1.97.1.9 Molybdenum type II molybdoenzyme 684986 1.97.1.9 additional information Na+ and Mg2+ have no effect on the activity at 1 mM 745578 1.97.1.9 non-heme iron - 699361 1.97.1.9 selenium isolated enzyme contains a reduced form of selenium, probably as selenocysteine 658902 1.97.1.9 sulfur iron-sulfur centre 657903, 658902