Hydrolytic DNA cleavage promoted by a dinuclear iron(III) complex

被引:82
作者
Neves, A [1 ]
Terenzi, H
Horner, R
Horn, A
Szpoganicz, B
Sugai, J
机构
[1] Univ Fed Santa Catarina, Dept Quim, Lab Bioinorgan & Cristalog, BR-88040900 Florianopolis, SC, Brazil
[2] Univ Fed Santa Catarina, Dept Bioquim, Lab Expessao Genica, BR-88040900 Florianopolis, SC, Brazil
[3] Univ Fed Santa Catarina, Dept Quim, Lab Equilibrio Quim, BR-88040900 Florianopolis, SC, Brazil
[4] Univ Fed Santa Catarina, Dept Bioquim, Lab Mutagenicidade, BR-88040900 Florianopolis, SC, Brazil
关键词
DNA cleavage; dinuclear iron(III) complex; artificial nuclease; drug-DNA interaction;
D O I
10.1016/S1387-7003(01)00233-7
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The dinuclear iron complex [Fe-2(III)(BPClNOL)(2)(H2O)(2)](ClO4)(2) (1) [N-(2-hydroxybenzyl)-N-(pyridylmethyl)[(3-chloro)(2-hydroxy)] propylamine] was investigated focusing on its hydrolytic activity towards phosphate esters and DNA. The activity was evaluated within the pH range 6.1-8.0 when the hydroxo molecules are coordinated to the Fe-III centers of(1). The complex did not show hydrolytic activity on the 4-nitrophenyl phosphate and bis(2,4-dinitrophenyl)phosphate. However, the complex successfully promoted the hydrolytic cleavage of plasmid DNA, producing single and double DNA strand breaks. (C) 2001 Elsevier Science B.V, All rights reserved.
引用
收藏
页码:388 / 391
页数:4
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