Journal
JOURNAL OF MOLECULAR GRAPHICS & MODELLING
Volume 50, Issue -, Pages 100-112Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jmgm.2014.04.002
Keywords
CDK9/cyclin T1; Druggability mapping; Protein-protein interactions; Accelerated molecular dynamics; MM-GBSA
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Funding
- European Commission [261499]
- Ministry of Education and Science, Republic of Serbia [172009]
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In order to design a small molecule which potentially may interfere with CDK9/cyclin T1 complex formation and therefore influence its physiological role, a computational study of dynamics and druggability of CDK9 binding surface was conducted. Druggability estimates and pocket opening analyses indicated binding regions of cyclin T1 residues, Phe 146 and Lys 6, as starting points for the design of small molecules with the potential to inhibit the CDK9/cyclin T1 association. A pharmacophore model was created, based on these two residues and used to select potential inhibitor structures. Binding energies of the inhibitors were estimated with MM-GBSA. A good correlation of MM-GBSA energies and FTMap druggability predictions was observed. Amongst studied compounds a derivative of 2-amino-8-hydroxyquinoline was identified as the best potential candidate to inhibit CDK9/cyclin T1 interactions. 2014 Elsevier Inc. All rights reserved.
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