1.1.1.286 K+ absolute requirement, inhibitory above 0.4 M 660918 1.1.1.286 K+ best activator, 200 mM activates by 100%, increases the affinity of enzyme for NAD+ at high pH 696220 1.1.1.286 Mg2+ binding strutcure analysis 740000 1.1.1.286 Mg2+ divalent cation required, Mg2+ is preferred over Mn2+ 660918 1.1.1.286 Mn2+ divalent cation required, Mg2+ is preferred over Mn2+, inhibitory above 1 mM 660918 1.1.1.286 Mn2+ required, binding structure, overview 740021 1.1.1.286 additional information 200 mM Cs+, Li+, and Na+ do not activate 696220 1.1.1.286 NH4+ 200 mM activates by 80.9% 696220 1.1.1.286 Rb+ 200 mM activates by 29.3% 696220