Topoisomerase IV-IN-3 is a Staphylococcus aureus Topoisomerase IV inhibitor, DNA gyrase inhibitor and antibacterial agent. Topoisomerase IV-IN-3 has IC50 values of 1.32 μM and 0.48 μM against topoisomerase IV, and 0.88 μM and 0.54 μM against DNA gyrase. Topoisomerase IV-IN-3 inhibits decatenation, ATPase, and supercoiling activities of its target enzymes. Topoisomerase IV-IN-3 exerts antibacterial activity against Gram-positive and Gram-negative bacterial strains. Topoisomerase IV-IN-3 exhibits low cytotoxicity toward human fibroblast cells. Topoisomerase IV-IN-3 can be used for the research of bacterial infections.

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.