Table 3.
2-step | 3-step | |
---|---|---|
k1 | – | 562±61 |
k−1 | – | 582±83 |
k2 | 208.8±1.4[b] | 497±68 |
k′2 | 19.6±0.9 | 45.0±4.7 |
k −2 | 16.9±1.7 | 24.3±2.6 |
k′−2 | 11.2±0.3 | 11.0±0.3 |
k3 | 12.2±0.4 | 10.3±0.4 |
KIE2[c] | 3.9±0.1 | 4.6±0.2 |
KIE−2 | 2.2±0.3 | 3.7±0.4 |
KIE′−2[d] | 39.4±6.1 | 37.5±5.2 |
[a] Full fitting parameters for the 2-step and 3-step models are given in Table S2 in the Supporting Information. [b] All rates constants in s−1. [c] This KIE is shared between the k2 and k′2 rate constants. [d] This KIE is not likely to be intrinsic. See the text for more details.