GSK-229423 is a novel bacterial topoisomerase inhibitor that shows potent inhibition of supercoiling by DNA gyrase from S. aureus with IC50 of 14 nM; displays approximately 70 times more potent against S. aureus DNA gyrase than NXL101; has potent antibacterial activity against a broad spectrum of Gram-positive and Gram-negative bacterial pathogens, including clinical isolates with fluoroquinolone resistance mediated by DNA gyrase and topo IV mutations.

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.