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MAC13243 CAS: 1071638-38-4

Category: Inhibitors
Product Name: MAC13243
Cat No: I000331
CAS No: 1071638-38-4
Synonyms: 6-[(4-chlorophenyl)methylsulfanyl]-3-[2-(3,4-dimethoxyphenyl)ethyl]-2,4-dihydro-1H-1,3,5-triazine;hydrochloride
Molecular Formula: C20H25Cl2N3O2S
Molecular Weight: 442.4
SMILES: COC1=CC=C(CCN2CNC(SCC3=CC=C(Cl)C=C3)=NC2)C=C1OC.[H]Cl
InChI: None
InChIKey: None
Solubility: 10 mM in DMSO
Target: Bacterial lipoprotein targeting chaperone
Storage: Store at -20°C
CAS 1071638-38-4,MAC13243
  • Description

MAC13243, an antibacterial agent, is a likely inhibitor of the bacterial lipoprotein targeting chaperone, LolA.
IC50 Value:
Target: Antibacterial
MAC13243, a molecule that belongs to a new chemical class and that has a unique mechanism and promising activity against multidrug-resistant Pseudomonas aeruginosa. MAC13243 inhibits the function of the LolA protein and represents a new chemical probe of lipoprotein targeting in bacteria with promise as an antibacterial lead with Gram-negative selectivity.

  • Spec

Appearance:Solid powder
Purity: > 98%

  • References

1:Bioorg Med Chem Lett. 2013 Apr 15;23(8):2426-31. doi: 10.1016/j.bmcl.2013.02.005. Epub 2013 Feb 13. Degradation of MAC13243 and studies of the interaction of resulting thiourea compounds with the lipoprotein targeting chaperone LolA.Barker CA,Allison SE,Zlitni S,Nguyen ND,Das R,Melacini G,Capretta AA,Brown ED, PMID: 23473681 DOI: 10.1016/j.bmcl.2013.02.005
Abstract: The discovery of novel small molecules that function as antibacterial agents or cellular probes of biology is hindered by our limited understanding of bacterial physiology and our ability to assign mechanism of action. We previously employed a chemical genomic strategy to identify a novel small molecule, MAC13243, as a likely inhibitor of the bacterial lipoprotein targeting chaperone, LolA. Here, we report on the degradation of MAC13243 into the active species, S-(4-chlorobenzyl)isothiourea. Analogs of this compound (e.g., A22) have previously been characterized as inhibitors of the bacterial actin-like protein, MreB. Herein, we demonstrate that the antibacterial activity of MAC13243 and the thiourea compounds are similar; these activities are suppressed or sensitized in response to increases or decreases of LolA copy number, respectively. We provide STD NMR data which confirms a physical interaction between LolA and the thiourea degradation product of MAC13243, with a Kd of ~150 μM. Taken together, we conclude that the thiourea series of compounds share a similar cellular mechanism that includes interaction with LolA in addition to the well-characterized target MreB.Copyright © 2013 Elsevier Ltd. All rights reserved.


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