Identification and synthesis of substituted pyrrolo[2,3-d]pyrimidines as novel firefly luciferase inhibitors

被引:19
|
作者
Liu, Yang [1 ]
Fang, Jianping [2 ]
Cai, Haiyan [3 ]
Xiao, Fei [2 ]
Ding, Kan [2 ]
Hu, Youhong [1 ]
机构
[1] Chinese Acad Sci, Shanghai Inst Mat Med, State Key Lab Drug Res, Shanghai 201203, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Mat Med, Glycochem & Glycobiol Lab, Shanghai 201203, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Mat Med, Drug Discovery & Design Ctr, Shanghai 201203, Peoples R China
关键词
Luciferase; Inhibitor; Pyrrolo[2,3-d]pyrimidine; High-throughput screening; Molecular docking; BINDING; ASSAYS;
D O I
10.1016/j.bmc.2012.07.035
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A novel firefly luciferase inhibitor (3a) with a pyrrolo[2,3-d] pyrimidine core was identified in a cell-based NF-kappa B luciferase reporter gene assay. It potently inhibited the firefly luciferase derived from Photinus pyralis with an IC50 value of 0.36 +/- 0.05 mu M. Kinetic analysis of 3a inhibition showed that it is predominantly competitive with respect to D-luciferin and uncompetitive with respect to ATP. Therefore, several pyrrolo[2,3-d] pyrimidine analogues were prepared to further investigate the structure-activity relationship (SAR) for luciferase inhibition. The most potent inhibitor of this series was 4c, which showed an IC50 value of 0.06 +/- 0.01 mu M. In addition, molecular docking studies suggested that both 3a and 4c could be accommodated in the D-luciferin binding pocket, which is expected for a predominantly competitive inhibitor with respect to D-luciferin. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:5473 / 5482
页数:10
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