Interactions of Monoamine Oxidases with the Antiepileptic Drug Zonisamide: Specificity of Inhibition and Structure of the Human Monoamine Oxidase B Complex

被引:52
|
作者
Binda, Claudia [2 ]
Aldeco, Milagros [1 ]
Mattevi, Andrea [2 ]
Edmondson, Dale E. [1 ]
机构
[1] Emory Univ, Sch Med, Dept Biochem, Atlanta, GA 30322 USA
[2] Univ Pavia, Dept Genet & Microbiol, I-27100 Pavia, Italy
关键词
HIGH-LEVEL EXPRESSION; PICHIA-PASTORIS; HUMAN-MAO; PARKINSONS-DISEASE; ANTICONVULSANT; PURIFICATION; RESOLUTION; MPTP;
D O I
10.1021/jm101359c
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
The binding of zonisamide to purified, recombinant monoamine oxidases (MAOs) has been investigated. It is a competitive inhibitor of human MAO B (K-i = 3.1 +/- 0.3 mu M), of rat MAO B (K-i = 2.9 +/- 0.5 mu M), and of zebrafish MAO (K-i = 30.8 +/- 5.3 mu M). No inhibition is observed with purified human or rat MAO A. The 1.8 angstrom structure of the MAO B complex demonstrates that it binds within the substrate cavity.
引用
收藏
页码:909 / 912
页数:4
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