1.5.1.8 abscisic acid 0.05 mM, incubation for 12 h, significantly increased activity 392373 1.5.1.8 EDTA 1 mM, slight activation, effect not consistant 392361 1.5.1.8 L-lysine excess cellular lysine may stimulate activity 392371 1.5.1.8 L-lysine excess lysine is a major stimulator of enzyme activity 392369, 392371 1.5.1.8 additional information activity is enhanced with decreasing osmotic potential and LKR/SDH gene is upregulated by osmotic stress 392373 1.5.1.8 additional information C-hordein suppression alters the enzyme activity differentially in different developmental stages, the extent varies among the transgenic lines, overview 743526 1.5.1.8 additional information in immature maize endosperm, the enzymatic activity of the LKR domain is activated by Ca2+, Mg2+, high salt, and osmolytes 763097 1.5.1.8 additional information in immature rice endosperm, the enzymatic activity of the LKR domain is activated by Ca2+, Mg2+, high salt, and osmolytes 763097 1.5.1.8 additional information L-lysine formation is not activated by (NH4)2SO4 392360 1.5.1.8 organic solvent activates 392367, 392369