| Compounds | Affinity (kcal/mol) | H-bond | Residual amino acid interactions | Hydrophobic/Pi-cation/Pi-anion/Pi-alkyl interactions | Van der Waals interactions |
| 5 | −6.1 | Gly-77 | Asp-73, Glu-50, Ile-78, Ile-94 | Ala-47, Arg-76, Gly-75, Pro-79, Asn-46, Thr-165 | 6 | −6.4 | Asp-73, Asn-46, Gly-77 | Glu-50, Pro-79, Ile-78, Arg-76 | Ala-47, Gly-75, Thr-165 | 7 | −6.3 | Asp-73, Arg-76, Gly-77 | Ala-47, Ile-78, Asn-46, Ile-94 | Glu-50, Gly-75 | 8 | −6.6 | Asp-73, Gly-77, Thr-165 | Ala-47, Ile-78, Asn-46, Ile-94 | Glu-50, Val-43, Pro-79 | 12 | −6.2 | Gly-77 | Asp-73, Ile-78, Ile-94 | Ala-47, Glu-50, Asn-46, Gly-75, Pro-79 | Ciprofloxacin | −7.2 | Asp-73, Arg-76, Thr-165 | Glu-50, Gly-77, Ile-78, Asn-46 | Ala-47 |
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