2.4.1.18 stable protein even at high concentrations of chaotropic agents 721012 2.4.1.18 the addition of glycerol further increases the thermostability of the enzyme 756933 2.4.1.18 the enzyme shows higher activity in sodium citrate buffer than sodium phosphate buffer at pH 6.0 and higher activity in sodium phosphate buffer than glycine buffer at pH 8.0 758278 2.4.1.18 truncation of the C-terminal extension results in greater stability and solubility than the wild type, as well as a lower sensitivity to the presence of added metal ions 755831 2.4.1.18 unstable in diluted solutions 636940 2.4.1.18 urea, 2 M irreversible denaturation 636939