... INDEXAbbreviations, table for mutation research, 21 4 2 16Absolute reaction rate theory, 2 3 2 6Acid–base catalysis, 2 0 2 3Acidity constant (K a ), 2 0 2 1Activation, 103Activation curves, 20 0 2 02. ... entriesacid–base, 2 0 2 3 enzyme, 4 1–4 3, 4 8–5 2, 5 2 5 3in mechanism-based inhibition, 15 8–1 59models of, 4 8–5 2 pH dependence of, 7 9–8 9practical example of enzyme, 5 3–5 8Catalysts, enzymes as, 4 1–4 3Catalytic ... kcatinhibitorsappropriate [S] ranges for, 18 1–1 84in enzyme activity studies, 20 1 2 02, 20 4in enzyme characterization, 174Stability, of enzymes, 14 0–1 57, 20 5 2 12 Standard-state enthalpy of denaturation,14 7–1 50,...