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Minimum inhibitory concentrations (μg/mL) for E. coli containing a plasmid encoding N-terminally His-tagged wild-type MCR-1 and MCR-1 T285A
| E. coli + | Colistin | Polymyxin B |
|---|---|---|
| pET28a (empty vector) | 0.032 | 0.032 |
| mcr-1 pET28a | 8.0 | 6.0 |
| mcr-1 T285A pET28a | 0.125 | 0.092 |
