2.4.1.19 (NH4)6Mo7O24 5 mM, 115% of initial activity 718610 2.4.1.19 Ba2+ - 488861 2.4.1.19 Ba2+ 0.5 mM, 125% of initial activity 719222 2.4.1.19 Ba2+ activates 684517 2.4.1.19 Ba2+ INMIA 3849, stabilizes enzyme 488855 2.4.1.19 BaCl2 relative activity 102.4% 488839 2.4.1.19 Ca2+ - 488826, 488831, 488836, 488839, 488855, 488863, 736253 2.4.1.19 Ca2+ 0.5 mM, 116% of initial activity 719222 2.4.1.19 Ca2+ 4 mM CaCl2, relative activity 106% 488836 2.4.1.19 Ca2+ 5 mM, 120% of initial activity 718610 2.4.1.19 Ca2+ about 110% activity at 1 mM 758476 2.4.1.19 Ca2+ activates 689822 2.4.1.19 Ca2+ activates at 10 mM 684942 2.4.1.19 Ca2+ addition increases thermal stability 488826, 488831 2.4.1.19 Ca2+ contains 1 mol Ca2+ per mol of enzyme 488839 2.4.1.19 Ca2+ contains 2 mol Ca2+ per mol of enzyme, increases heat stability, denaturation temperature shifted from 70°C to 88°C 488839 2.4.1.19 Ca2+ protects enzyme from activity loss 488842, 488861 2.4.1.19 Ca2+ raise the unfolding temperature of CGTase 701849 2.4.1.19 Ca2+ required 758336 2.4.1.19 Ca2+ slight activating effect (113% activity at 10 mM) 737302 2.4.1.19 Ca2+ synergistic promoting effects of glycine and Ca2+ on the extracellular secretion of the recombinant protein in Escherichia coli, optimal at 150 mM and 20 mM, respectively, overview 704134 2.4.1.19 Ca2+ the enzyme has three Ca2+ binding sites. Ca2+ has a small contribution to the enzyme's thermostability 736290 2.4.1.19 Ca2+ the enzyme has two Ca2+ binding sites. Ca2+ has a small contribution to the enzyme's thermostability 736290 2.4.1.19 Ca2+ the highest increase in beta-CGTase activity is 54.3% at 1 mM CaCl2 which is 5.6fold higher than that of the control. The highest increase in gamma-CGTase activity is 55.5% 1 mM CaCl2 which is 7.2fold higher than that of the control 758261 2.4.1.19 Ca2+ thermal stability is remarkably increased by addition of calcium ions 488847, 488853, 488863 2.4.1.19 CaCl2 5 mM, 20% activation of cross-linked enzyme crystals, 2% activation of soluble enzyme 659739 2.4.1.19 CaCl2 activates at 1 mM 684450 2.4.1.19 CaCl2 relative activity 106.7% 488839 2.4.1.19 Cd2+ about 110% activity at 1 mM 758476 2.4.1.19 Co2+ 10 mM, 28% inhibition 673390 2.4.1.19 Co2+ activates 684517, 684523 2.4.1.19 CoCl2 activates at 4 mM 684450 2.4.1.19 Cu2+ - 488861 2.4.1.19 Cu2+ 10 mM, 20% inhibition 673390 2.4.1.19 Cu2+ 5% enhancement of activity at 1 mM Cu2+ 735782 2.4.1.19 Cu2+ about 108% activity at 1 mM 758476 2.4.1.19 Cu2+ activates 684523 2.4.1.19 Cu2+ INMIA 3849, stabilizes enzyme 488855 2.4.1.19 Fe2+ - 488861 2.4.1.19 Fe2+ 10 mM, 58% inhibition 673390 2.4.1.19 Fe2+ 9% enhancement of activity at 1 mM Fe2+ 735782 2.4.1.19 Fe2+ INMIA 3849, stabilizes enzyme 488855 2.4.1.19 FeCl2 1 mM, 89.3% activation 660343 2.4.1.19 FeCl2 5 mM, 110% activation of cross-linked enzyme crystals, inhibition of soluble enzyme 659739 2.4.1.19 FeSO4 relative activity 107.6% 488839 2.4.1.19 Hg2+ 10 mM, complete inhibition 673390 2.4.1.19 K+ 5 mM, 110% of initial activity 718610 2.4.1.19 K+ 80 mM KCl, relative activity 112% 488836 2.4.1.19 Li+ about 118% activity at 10 mM 758476 2.4.1.19 Li2SO4 relative activity 106% 488839 2.4.1.19 Mg2+ 10 mM used in assay conditions 756738 2.4.1.19 Mg2+ 10 mM, 75% inhibition 673390 2.4.1.19 Mg2+ about 130% activity at 10 mM 758476 2.4.1.19 Mg2+ activates 684523 2.4.1.19 Mg2+ protects enzyme from activity loss 488861 2.4.1.19 Mg2+ the enzymatic activity increases to 104.1% in the presence of 5 mM MgCl2 757110 2.4.1.19 Mg2+ the highest increase in beta-CGTase activity is 46.4% at 2 mM MgSO4 which is 4.8fold higher than that of the control. The highest increase in gamma-CGTase activity is 45.9% at 3 mM MgSO4 which is 5.9fold higher than that of the control 758261 2.4.1.19 MgSO4 relative activity 103.2% 488839 2.4.1.19 Mn2+ about 115% activity at 1 mM 758476 2.4.1.19 Mn2+ activates 684517, 684523, 688313 2.4.1.19 Mn2+ the enzymatic activity increases to 104.1% in the presence of 5 mM MnCl2 757110 2.4.1.19 additional information enzyme activity is not affected by Ca2+, Na+, K+, Fe3+, ICH2COOH, and SDS at low concentration 684523 2.4.1.19 additional information Ni2+ and Na+ ions have weak effects on the enzyme activity 737302 2.4.1.19 additional information not influenced by 5 mM Ba2+ 757110 2.4.1.19 Na+ 5 mM, 120% of initial activity 718610 2.4.1.19 Na+ 80 mM NaCl, relative activity 110% 488836 2.4.1.19 Ni2+ about 140% activity at 10 mM 758476 2.4.1.19 Sr2+ activates 684523 2.4.1.19 Zn2+ 0.5 mM, 118% of initial activity 719222 2.4.1.19 Zn2+ 10 mM, 65% inhibition 673390