Description
KKL-35 is a trans-translation tagging reaction inhibitor with an IC50 of 0.9 µM.
Product information
CAS Number: 865285-29-6
Molecular Weight: 317.70
Formula: C15H9ClFN3O2
Chemical Name: 4-chloro-N-[5-(4-fluorophenyl)-1,3,4-oxadiazol-2-yl]benzamide
Smiles: O=C(NC1=NN=C(O1)C1C=CC(F)=CC=1)C1C=CC(Cl)=CC=1
InChiKey: ZIICPNCCHIUJSX-UHFFFAOYSA-N
InChi: InChI=1S/C15H9ClFN3O2/c16-11-5-1-9(2-6-11)13(21)18-15-20-19-14(22-15)10-3-7-12(17)8-4-10/h1-8H,(H,18,20,21)
Technical Data
Appearance: Solid Power
Purity: ≥98% (or refer to the Certificate of Analysis)
Solubility: DMSO : 6.25 mg/mL (19.67 mM; Need ultrasonic).
Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis
Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.
Shelf Life: ≥12 months if stored properly.
Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.
Drug Formulation: To be determined
HS Tariff Code: 382200
How to use
In Vitro:
KKL-35 exhibits broad-spectrum antibiotic activity. KKL-35 prevents growth of B. anthracis and M. smegmatis with minimum inhibitory concentration (MIC) values of less than 6 µM. KKL-35 inhibit trans-translation at some step before proteolysis of tagged proteins. KKL-35 inhibits tagging of DHFR-ns. A large amount of untagged DHFR is produced in reactions with the highest concentrations of KKL-35, indicating that KKL-35 does not inhibit translation. KKL-35 prevents growth of WT S. flexneri with a MIC of 6 µM, and addition of KKL-35 to a growing culture of S. flexneri stops growth. In an S. flexneri strain expressing ArfA and deleted for ssrA, addition of KKL-35 has little effect on viability or growth rate. KKL-35 inhibits the growth of E. coli ∆tolC, which is deficient in small molecule efflux, with an MIC of 0.3 µM.
In Vivo:
Evidence suggest that the in vivo effects of KKL-35 are caused by inhibition of the release of nonstop translation complexes by trans-translation. KKL-35 inhibits trans-translation and prevents growth of S. flexneri strains that require trans-translation. The correlation between inhibition of trans-translation and growth is supported by genetic and pharmacological experiments showing that alternative mechanisms to release nonstop translation complexes relieve the growth suppression of KKL-35.
Products are for research use only. Not for human use.
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