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MICs of A4528-derived strains that harbored different amino acid substitutions in CrrB
| Strain | Colistin MIC (μg/ml) |
|---|---|
| A4528 wild type | 1 |
| A4528 crrB(Q10L) | 512 |
| A4528 crrB(Y31H) | 64 |
| A4528 crrB(W140R) | 512 |
| A4528 crrB(N141I) | 1,024 |
| A4528 crrB(P151S) | 512 |
| A4528 crrB(S195N) | 512 |
| ATCC 25922a | 1 |
The MIC of strain ATCC 25922 served as a quality control.
