Design, synthesis, and biological activity of novel Magmas inhibitors

Bioorg Med Chem Lett. 2011 Jun 1;21(11):3479-82. doi: 10.1016/j.bmcl.2011.03.050. Epub 2011 Mar 21.

Abstract

Magmas (mitochondria associated, granulocyte-macrophage colony stimulating factor signaling molecule), is a highly conserved and essential gene, expressed in all cell types. We designed and synthesized several small molecule Magmas inhibitors (SMMI) and assayed their effects on proliferation in yeast. We found that the most active compound 9 inhibited growth at the 4 μM scale. This compound was shown by fluorometric titration to bind to Magmas with a K(d)=33 μM. Target specificity of the lead compound was established by demonstrating direct binding of the compound to Magmas and by genetic studies. Molecular modeling suggested that the inhibitor bound at the predicted site in Magmas.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Cell Proliferation / drug effects
  • Drug Design*
  • Granulocyte-Macrophage Colony-Stimulating Factor* / antagonists & inhibitors
  • Mitochondrial Proteins / antagonists & inhibitors*
  • Models, Molecular
  • Molecular Structure
  • Protein Binding / drug effects
  • Small Molecule Libraries / chemical synthesis*
  • Small Molecule Libraries / chemistry
  • Small Molecule Libraries / pharmacology
  • Yeasts / drug effects

Substances

  • Mitochondrial Proteins
  • Small Molecule Libraries
  • Granulocyte-Macrophage Colony-Stimulating Factor