... the theoretical inhibitor, regardless of the enzyme, the inhibitor and the state of oxidation of the latter, indi-cating that elastin does not simply act as a competingsubstrate but also hinders ... dissociation of the oxidized inhibitor–NE complex was slow enough to be insignificant during the 20–60 s time period used to measure the activities of the inhibitory mixtures.Therefore, the K of Eqn ... excess of inhibitorover enzyme, we observed full inhibition of both pro-teinases by the native inhibitors, but only % 80% inhi-bition of NE and 50% inhibition of Pr3 by the oxidized inhibitors.While...