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Enzyme Kinetics of Multiple Inhibition in the Presence of Two Reversible Inhibitors
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  • Enzyme Kinetics of Multiple Inhibition in the Presence of Two Reversible Inhibitors
  • Enzyme Kinetics of Multiple Inhibition in the Presence of Two Reversible Inhibitors
저자명
Han. Moon H.,Seong. Baik L.
간행물명
Bulletin of the Korean Chemical Society
권/호정보
1982년|3권 3호|pp.122-129 (8 pages)
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대한화학회
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

In order to extend our understanding on the multiple inhibition enzyme kinetics, a general equation of an enzyme reaction in the presence of two different reversible inhibitors was derived by what we call "match-box mechanism" under the combined assumption of steady-state and quasi-equilibrium for inhibitor binding. Graphical methods were proposed to analyze the multiple inhibition of an enzyme by any given sets of different inhibitors, i.e., competitive, noncompetitive, and uncompetitive inhibitors. This method not only gives an interaction factor $({alpha})$ between two inhibitors, but also discerns ${alpha}_1$ and ${alpha}_2$ with and without substrate binding, respectively. The factors involved in the dissociation constants of inhibitors can also be evaluated by the present plot. It is also shown that the present kinetic approach can be extended to other forms of activators or hydrogen ions with some modification.