EcDsbB-IN-9 (Compound 9) is a potent E. coli DsbB (EcDsbB) inhibitor with an IC50 of 1.7 μM and a Ki of 46 nM.
EcDsbB-IN-9 (Compound 9) (0-100 μM) causes accumulation of reduced DsbA (EcDsbB substrate) and inhibits oxidation of DsbA with an IC50 of 8.5 ± 0.6 μM[1].
References:
[1]. Landeta C, et al. Compounds targeting disulfide bond forming enzyme DsbB of Gram-negative bacteria. Nat Chem Biol. 2015 Apr;11(4):292-8.