Gold electrodes wired for coupling with the deeply buried active site of Arthrobacter globiformis amine oxidase

被引:60
作者
Hess, CR
Juda, GA
Dooley, DM
Amii, RN
Hill, MG [1 ]
Winkler, JR
Gray, HB
机构
[1] Occidental Coll, Dept Chem, Los Angeles, CA 90041 USA
[2] CALTECH, Beckman Inst, Pasadena, CA 91125 USA
[3] Montana State Univ, Dept Chem, Bozeman, MT 59717 USA
关键词
D O I
10.1021/ja029538q
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Diethylaniline-terminated oligo(phenyl-ethynyl)-thiol (DEA-OPE-SH) wires on Au-bead electrodes facilitate electron tunneling to and from the deeply buried topaquinone (TPQ) cofactor in Arthrobacter globiformis amine oxidase (AGAO). Reversible cyclic voltammograms were observed when AGAO was adsorbed onto this DEA-OPE-SAu surface: the 2e-/2H+ reduction potential is -140 mV versus SCE. Copyright © 2003 American Chemical Society.
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页码:7156 / 7157
页数:2
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