a protease from tetrahymena pyriformis inactivated eight of nine commercially available enzymes tested , including lactate deyhdrogenase , isocitrate dehydrogenase ( tpn-specific ) , glucose-6 phosphate dehydrogenase , d-amino acid oxidase , fumarase , pyruvate kinase , hexokinase , and citrate synthase .
C0030946
protease
C0014442
enzymes