Rottlerin, a novel protein kinase inhibitor.

  title={Rottlerin, a novel protein kinase inhibitor.},
  author={Michael Gschwendt and H. J. M{\"u}ller and K Kielbassa and Rongyu Zang and Walter Kittstein and Gabriele Rincke and Friedrich Marks},
  journal={Biochemical and biophysical research communications},
  volume={199 1},
Rottlerin, a compound from Mallotus philippinensis, is shown to inhibit protein kinases with some specificity for PKC. To some extent, the novel inhibitor is able to differentiate between PKC isoenzymes, with IC50 values for PKC delta of 3-6 microM, PKC alpha,beta,gamma of 30-42 microM and PKC epsilon,eta,zeta of 80-100 microM. Inhibition of PKC appears, at least in part, to be due to a competition between rottlerin and ATP. Among the protein kinases tested, only CaM-kinase III is suppressed by… CONTINUE READING
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