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1.2.5.3: aerobic carbon monoxide dehydrogenase

This is an abbreviated version!
For detailed information about aerobic carbon monoxide dehydrogenase, go to the full flat file.

Word Map on EC 1.2.5.3

Reaction

CO
+
a quinone
+
H2O
=
CO2
+
a quinol

Synonyms

aerobic Mo/Cu-containing CO dehydrogenase, Carbon monoxide dehydrogenase, CO dehydrogenase, CODH, CoxS, coxSML, CutL, CutM, CutS, EC 1.2.2.4, EC 1.2.3.10, Mo-CODH, Mo-Cu carbon monoxide dehydrogenase, Mo/Cu CODH, MoCu-CODH, molybdenum- and copper-containing carbon monoxide dehydrogenase, molybdenum- and copper-dependent CO dehydrogenase, molybdenum-containing carbon monoxide dehydrogenase, molybdenum-containing CO dehydrogenase, molybdenum-copper carbon monoxide dehydrogenase, molybdenum-copper CO dehydrogenase, molybdenum/copper-containing carbon monoxide dehydrogenase, molybdoenzyme carbon monoxide dehydrogenase

ECTree

     1 Oxidoreductases
         1.2 Acting on the aldehyde or oxo group of donors
             1.2.5 With a quinone or similar compound as acceptor
                1.2.5.3 aerobic carbon monoxide dehydrogenase

Systematic Name

Systematic Name on EC 1.2.5.3 - aerobic carbon monoxide dehydrogenase

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SYSTEMATIC NAME
IUBMB Comments
carbon-monoxide:quinone oxidoreductase
This enzyme, found in carboxydotrophic bacteria, catalyses the oxidation of CO to CO2 under aerobic conditions. The enzyme contains a binuclear Mo-Cu cluster in which the copper is ligated to a molybdopterin center via a sulfur bridge. The enzyme also contains two [2Fe-2S] clusters and FAD, and belongs to the xanthine oxidoreductase family. The CO2 that is produced is assimilated by the Calvin-Benson-Basham cycle, while the electrons are transferred to a quinone via the FAD site, and continue through the electron transfer chain to a dioxygen terminal acceptor [5]. cf. EC 1.2.7.4, anaerobic carbon monoxide dehydrogenase.