Structural highlights
Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedThrough a comparison of X-ray co-crystallographic data for 1 and 2 in the Chek1 active site, it was hypothesized that the affinity of the indolylquinolinone series (2) for Chek1 kinase would be improved via C6 substitution into the hydrophobic region I (HI) pocket. An efficient route to 6-bromo-3-indolyl-quinolinone (9) was developed, and this series was rapidly optimized for potency by modification at C6. A general trend was observed among these low nanomolar Chek1 inhibitors that compounds with multiple basic amines, or elevated polar surface area (PSA) exhibited poor cell potency. Minimization of these parameters (basic amines, PSA) resulted in Chek1 inhibitors with improved cell potency, and preliminary pharmacokinetic data are presented for several of these compounds. Development of 6-substituted indolylquinolinones as potent Chek1 kinase inhibitors.,Huang S, Garbaccio RM, Fraley ME, Steen J, Kreatsoulas C, Hartman G, Stirdivant S, Drakas B, Rickert K, Walsh E, Hamilton K, Buser CA, Hardwick J, Mao X, Abrams M, Beck S, Tao W, Lobell R, Sepp-Lorenzino L, Yan Y, Ikuta M, Murphy JZ, Sardana V, Munshi S, Kuo L, Reilly M, Mahan E Bioorg Med Chem Lett. 2006 Nov 15;16(22):5907-12. Epub 2006 Sep 20. PMID:16990002[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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