2.6.1.5 additional information - 2-oxoglutarate protects against thermal inactivation 640115 2.6.1.5 additional information - pyridoxal 5'-phosphate protects against thermal inactivation 640112, 640115 2.6.1.5 additional information - the apoenzyme is thermally unstable: t1/2 of 2 min at 55°C 640112 2.6.1.5 50 - 15 min, 50% loss of activity, isoenzyme TAT-3 640111 2.6.1.5 55 - 15 min, 50% loss of activity, isoenzyme TAT-2 640111 2.6.1.5 60 - stable below 657704 2.6.1.5 65 - 15 min, 50% loss of activity, isoenzyme TAT-1 640111 2.6.1.5 65 - complete inactivation after 5 min 640118