2hxl

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{{STRUCTURE_2hxl| PDB=2hxl | SCENE= }}
{{STRUCTURE_2hxl| PDB=2hxl | SCENE= }}
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'''crystal structure of Chek1 in complex with inhibitor 1'''
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===crystal structure of Chek1 in complex with inhibitor 1===
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==Overview==
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Through 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.
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(as it appears on PubMed at http://www.pubmed.gov), where 16990002 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16990002}}
==About this Structure==
==About this Structure==
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[[Category: Chek1]]
[[Category: Chek1]]
[[Category: Kinase]]
[[Category: Kinase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 11:00:58 2008''

Revision as of 08:00, 28 July 2008

Image:2hxl.png

Template:STRUCTURE 2hxl

crystal structure of Chek1 in complex with inhibitor 1

Template:ABSTRACT PUBMED 16990002

About this Structure

2HXL is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

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

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