2b55

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{{STRUCTURE_2b55| PDB=2b55 | SCENE= }}
{{STRUCTURE_2b55| PDB=2b55 | SCENE= }}
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'''Human cyclin dependent kinase 2 (cdk2) complexed with indenopyraxole DIN-101312'''
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===Human cyclin dependent kinase 2 (cdk2) complexed with indenopyraxole DIN-101312===
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==Overview==
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The identification of indeno[1,2-c]pyrazol-4-ones as inhibitors of cyclin-dependent kinases (CDKs) has led to the discovery of a series of novel and potent compounds. Herein, we report the effects of substitutions at C3 of the indeno[1,2-c]pyrazol-4-one core with alkyls, heterocycles, and substituted phenyls. Substitutions at the para position of the phenyl ring at C3 were generally well-tolerated; however, larger groups were generally inactive. For alkyls directly attached to C3, longer chain substituents were not tolerated; however, shorter alkyl groups and cyclic alkyls were acceptable. In general, the heterocycles at C3 gave the most potent analogues. One such heterocycle, 24j, was examined in detail and was determined to have a biological profile consistent with CDK inhibition. An X-ray crystal structure of one of the alkyl compounds, 13q, complexed with CDK2 was determined and showed the inhibitor residing in the adenosine 5'-triphosphate pocket of the enzyme.
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(as it appears on PubMed at http://www.pubmed.gov), where 12431051 is the PubMed ID number.
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{{ABSTRACT_PUBMED_12431051}}
==About this Structure==
==About this Structure==
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[[Category: Phosphorylation]]
[[Category: Phosphorylation]]
[[Category: Protein kinase]]
[[Category: Protein kinase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 19:52:12 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 04:45:31 2008''

Revision as of 01:45, 28 July 2008

Image:2b55.png

Template:STRUCTURE 2b55

Human cyclin dependent kinase 2 (cdk2) complexed with indenopyraxole DIN-101312

Template:ABSTRACT PUBMED 12431051

About this Structure

2B55 is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Synthesis and evaluation of indenopyrazoles as cyclin-dependent kinase inhibitors. 3. Structure activity relationships at C3(1,2)., Yue EW, Higley CA, DiMeo SV, Carini DJ, Nugiel DA, Benware C, Benfield PA, Burton CR, Cox S, Grafstrom RH, Sharp DM, Sisk LM, Boylan JF, Muckelbauer JK, Smallwood AM, Chen H, Chang CH, Seitz SP, Trainor GL, J Med Chem. 2002 Nov 21;45(24):5233-48. PMID:12431051

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