3.4.19.1 additional information - the specific activity of the enzyme increases 7–14fold with heat treatment, suggesting the modification of the structure of the enzyme for optimal hydrolytic activity by heating 745261 3.4.19.1 30 - activity assay 696524 3.4.19.1 37 - - 651807 3.4.19.1 37 - assay at 732576 3.4.19.1 50 - recombinant enzyme 753251, 753727 3.4.19.1 70 - - 688698 3.4.19.1 70 - kinetic assay 696454 3.4.19.1 70 - recombinant wild-type enzyme 752694 3.4.19.1 70 - substrate: N-acetyl-Ala-Ala-Ala 724738 3.4.19.1 74 - wild-type 688698 3.4.19.1 75 - truncated mutant of apAPH that lacks the first short alpha-helix at the N-terminal 667028 3.4.19.1 77 - mutant DELTAN21 696409 3.4.19.1 80 - - 720431 3.4.19.1 80 - activity assay 696472 3.4.19.1 80 - wild-type enzyme 723816 3.4.19.1 85 - assay at 745261 3.4.19.1 90 - - 696472, 720867, 745261 3.4.19.1 90 - at pH 5.4 95261 3.4.19.1 90 - wild-type enzyme 667028 3.4.19.1 92 - mutant D15A above 92° 696409 3.4.19.1 92 - mutant R18A above 92° 696409 3.4.19.1 95 - heat-activated enzyme 95261 3.4.19.1 95 - recombinant mutant enzymes 752694 3.4.19.1 95 - wild-type enzyme 696409