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Träfflista för sökning "WFRF:(Hamelink Elizabeth) srt2:(2005)"

Sökning: WFRF:(Hamelink Elizabeth) > (2005)

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  • Johansson, Per-Ola, et al. (författare)
  • Design and synthesis of potent inhibitors of plasmepsin I and II : x-ray crystal structure of inhibitor in complex with plasmepsin II
  • 2005
  • Ingår i: Journal of Medicinal Chemistry. - : American Chemical Society (ACS). - 0022-2623 .- 1520-4804. ; 48:13, s. 4400-4409
  • Tidskriftsartikel (refereegranskat)abstract
    • New and potent inhibitors of the malarial aspartic proteases plasmepsin (Plm) I and II, from the deadliest malaria parasite Plasmodium falciparum, have been synthesized utilizing Suzuki coupling reactions on previously synthesized bromobenzyloxy-substituted statine-like inhibitors. The enzyme inhibition activity has been improved up to eight times by identifying P1 substituents that effectively bind to the continuous S1-S3 crevice of Plasmepsin I and II. By replacement of the bromo atom in the P1 p-bromobenzyloxy-substituted inhibitors with different aryl substituents, several inhibitors exhibiting Ki values in the low nanomolar range for both Plm I and II have been identified. Some of these inhibitors are also effective in attenuating parasite growth in red blood cells, with the best inhibitors, compounds 2 and 4, displaying 70% and 83% inhibition, respectively, at a concentration of 5 μM. The design was partially guided by the X-ray crystal structure disclosed herein of the previously synthesized inhibitor 1 in complex with plasmepsin II. © 2005 American Chemical Society.
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