Novel Artificial Coenzyme Based on the Viologen Derivative for CO2 Reduction Biocatalyst Formate Dehydrogenase

被引：32

作者：

Ikeyama, Shusaku ^{[1
]}

Amao, Yutaka ^{[1
,2
,3
]}

机构：

[1] Osaka City Univ, Grad Sch Sci, Sumiyoshi Ku, 3-3-138 Sugimoto, Osaka 5588585, Japan

[2] Osaka City Univ, Adv Res Inst Nat Sci & Technol, Sumiyoshi Ku, 3-3-138 Sugimoto, Osaka 5588585, Japan

[3] Osaka City Univ, ReCAP, Sumiyoshi Ku, 3-3-138 Sugimoto, Osaka 5588585, Japan

来源：

CHEMISTRY LETTERS | 2016年 / 45卷 / 11期

基金：

日本科学技术振兴机构;

关键词：

CO2; reduction; Viologen derivative; Artificial coenzyme; SOLUBLE ZINC PORPHYRIN; CARBON-MONOXIDE DEHYDROGENASE; FORMIC-ACID; CANDIDA-BOIDINII; VISIBLE-LIGHT; CATALYTIC CONVERSION; ENZYMATIC-SYNTHESIS; HYDROGEN EVOLUTION; BIPYRIDINIUM SALTS; REDUCED FORM;

D O I：

10.1246/cl.160687

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Formate dehydrogenase (FDH) is an attractive biocatalyst for CO2 reduction. The reduced form of methylviologen acts as an artificial coenzyme for FDH. For further improvement in the CO2 reduction catalytic activity of FDH, a viologen derivative with two amino groups, 1,1'-diaminoethyl-4,4'-bipyridinium salt (DA(2+)), was synthesized as the effective artificial coenzyme for FDH. By enzyme kinetic analysis, the catalytic efficiency, i.e., k(cat)/K-m value of the reduced form of DA(2+) was estimated to be more than 560 times larger than that of NADH, the natural coenzyme for FDH.

引用

页码：1259 / 1261

页数：3

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