2.4.2.19 additional information - quinolinate at 0.8 mM gives 50% protection against heat inactivation. 22% inhibition in presence of quinolinate 638016 2.4.2.19 55 - 10 min, 48% loss of activity 638016 2.4.2.19 80 - 3 min, 50% loss of activity 638026 2.4.2.19 83.6 - melting temperature 737258