KKL-35| CAS 865285-29-6|DC Chemicals

Cas No.:	865285-29-6
Chemical Name:	3-chloro-N-(1-propyl-1H-tetrazol-5-yl)benzamide
Synonyms:	KKL 35;KKL35
SMILES:	O=C(C1C=CC(Cl)=CC=1)NC1OC(C2C=CC(F)=CC=2)=NN=1
Formula:	C₁₅H₉ClFN₃O₂
M.Wt:	317.7
Purity:	>98%
Sotrage:	2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO
Publication:	[1]. Ramadoss NS, et al. Small molecule inhibitors of trans-translation have broad-spectrum antibiotic activity. Proc Natl Acad Sci U S A. 2013 Jun 18;110(25):10282-7.

Description:	KKL-35 is a trans-translation tagging reaction inhibitor with an IC50 of 0.9 µM.
Target:	IC50: 0.9 µM (trans-translation tagging reaction)[1]
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[1].
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[1].
References:	[1]. Ramadoss NS, et al. Small molecule inhibitors of trans-translation have broad-spectrum antibiotic activity. Proc Natl Acad Sci U S A. 2013 Jun 18;110(25):10282-7.

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