Table 2.
Comparison of C-H amination activities (TTN) of intact E. coli cells expressing P450 and P411 variants. Reaction conditions described in supporting information.
| In vivo catalyst | [P450] or [P411] µM |
% yield[a] (3) |
TTN[b] | % ee[c] |
|---|---|---|---|---|
| pCWori-empty | 0 | 0 | 0 | nd |
| P450BM3 | 6.6 | 0.5 | 5.1 | nd |
| P450BM3-T268A | 5.8 | 7.8 | 26 | 84 |
| P411BM3 | 4.3 | 6.7 | 29 | 16 |
| P411BM3-T268A | 2.2 | 30 | 250 | 89 |
| P411BM3-CIS | 1.4 | 46 | 680 | 60 |
| P411BM3-CIS-T438S | 2.7 | 58 | 430 | 87 |
TTN = total turnover number
*(S−R)/(S+R).
nd = not determined.