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. 2015 May 7;21(24):8826–8831. doi: 10.1002/chem.201500958

Figure 2.

Figure 2

Proton inventory-style stopped-flow experiment performed by mixing [D2]EAL with various mixtures of EA and [D4]EA (0.5 mM total post-mixing concentration) at 277 K. The transients are fitted to a double-exponential function (dotted lines) and the arrow shows the direction of increasing n, the mole fraction of [D4]EA. The observed KIE on kobs1 (inset) versus fraction of deuterated EA (n) fitted to a linear (solid line) and quadratic (dashed line) equation. Rate constants and KIEs are given in Table S1 in the Supporting Information.