1.2.1.104 - 40 rapid decline of activity 348944 1.2.1.104 50 - irreversible inactivation 348925 1.2.1.104 60 - pyruvate dehydrogenase complex, no loss of activity after 50 min 348986 1.2.1.104 65 - 30 min, 50% loss of component E1 activity 758928 1.2.1.104 65 - half-life 30 min, pyruvate decarboxylase subunit E1 114313 1.2.1.104 70 - heating the partially purified complex for 5 min inactivates pyruvate dehydrogenase component completely 348962 1.2.1.104 72 - pyruvate dehydrogenase, complete loss of activity 348986 1.2.1.104 84 - pyruvate dehydrogenase 348986 1.2.1.104 85 - 30 min, 50% loss of component E3 activity 758928