Hasil (
Bahasa Indonesia) 1:
[Salinan]Disalin!
A slow binding inhibition pattern may be due to one of (at least) three mechanisms as discussed under “Experimental Procedures” (22). For Mechanism A, the establishment of equilibrium between E and a single EI complex is simply slow; for Mechanism B, an initial low affinity enzyme-inhibitor complex forms rapidly and then isomerizes slowly to a more stable complex; and for Mechanism C, the free enzyme slowly isomerizes to a form that then binds inhibitor. These mechanisms were distinguished by the dependence of the apparent rate constant (kobs) on the concentration of inhibitor. For example,progress curves for the reaction of HL-BEK and BPTI were determined at several concentrations of BPTI (Fig. 6A), and values for vs, vo, and kobs were obtained by fitting to Equation 1. The plot of kobs versus [BPTI] is hyperbolic (Fig. 6B). Whenlinearized by double-reciprocal transformation, the plot of Equation 3 has non-zero intercepts (Fig. 6C). These results are consistent with a slow binding inhibitor of Mechanism B.
Sedang diterjemahkan, harap tunggu..
