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Key Findings
Mutations in the quinolone resistance-determining regions (QRDR) of GyrA and GyrB.
| Gene | Protein Change | Nucleotide Change | Mechanism | Organism | Resistance To | Database | Validation Status |
|---|---|---|---|---|---|---|---|
| D94G | - | - | Mycobacterium tuberculosis | Fluoroquinolones | Reslit | - | |
| R482K | - | The R482 side chain is located in the minor groove and forms a gate which blocks the quinolone in the pocket | Mycobacterium tuberculosis | Fluoroquinolones | Reslit | - | |
| D94N | - | - | Mycobacterium tuberculosis | Fluoroquinolones | Reslit | - | |
| G88A | - | - | Mycobacterium tuberculosis | Fluoroquinolones | Reslit | - | |
| N499D | - | - | Mycobacterium tuberculosis | Fluoroquinolones | Reslit | - | |
| A90V | - | - | Mycobacterium tuberculosis | Fluoroquinolones | Reslit | - | |
| T80A | - | - | Mycobacterium tuberculosis | Fluoroquinolones | Reslit | - | |
| D94A | - | - | Mycobacterium tuberculosis | Fluoroquinolones | Reslit | - | |
| A90S | - | mutant A90S contributes to both intrinsic and acquired quinolone resistance | Mycobacterium tuberculosis | Fluoroquinolones | Reslit | - |
© 2026 ResLit. Data sourced from PubMed literature analysis.
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