Photobiochemical Production of Carbon Monoxide by Thermus thermophilus ba3-Cytochrome c Oxidase

被引：5

作者：

Koutsoupakis, Constantinos ^{[1
]}

Soulimane, Tewfik ^{[2
,3
]}

Varotsis, Constantinos ^{[1
]}

机构：

[1] Cyprus Univ Technol, Dept Environm Sci & Technol, CY-3603 Lemesos, Cyprus

[2] Univ Limerick, Chem & Environm Sci Dept, Limerick, Ireland

[3] Univ Limerick, Mat & Surface Sci Inst, Limerick, Ireland

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2015年 / 21卷 / 13期

关键词：

biochemistry; carbon monoxide; FTIR spectroscopy; heme proteins; oxidoreductases; HEME-COPPER OXIDASES; TRANSFORM INFRARED-SPECTROSCOPY; CYTOCHROME BA(3) OXIDASE; STEP-SCAN FTIR; NITRIC-OXIDE; DOCKING SITE; REDUCTION; DYNAMICS; COMPLEX; BINDING;

D O I：

10.1002/chem.201406239

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report the photobiochemical production of carbon monoxide by a terminal ba(3)-cytochrome c oxidase from T. thermophilus HB8. FTIR and time-resolved step-scan FTIR spectroscopies were combined to probe this process and also monitor the concomitant binding of the produced gas to other intact ba(3) molecules forming the ba(3)-CO complex. The activation of this mechanism by ba(3)-oxidase under visible excitation raises the question as to whether such a mechanism is physiologically relevant to the extreme environment in which it operates.

引用

页码：4958 / 4961

页数：4

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