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 1.5.1.8 organic solvent e.g. poly(ethylene glycol) 8000 and ethyleneglycol increase enzyme activity, but lower increase than by 200 mM Tris/HCl buffer 392369 1.5.1.8 polyethylene glycol 6000 enzyme activity increases in response to an upshock osmotic stress caused by polyethylene glycol 6000 solutions of decreasing osmotic potential with values ranging from -0.1 to -3 MPa 392373 1.5.1.8 Tris/HCl enzyme activity increases 6fold when the concentration of Tris/HCl is increased from 25 to 200 mM, effect is due to decreased water activity which could induce conformational modification in LOR domain of enzyme 392369 1.5.1.8 Triton X-100 1%, slight activation, effect not consistant 392361