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EC Number Metals/Ions Commentary Reference
Show all pathways known for 1.17.98.4Display the word mapDisplay the reaction diagram Show all sequences 1.17.98.4Se the reinterpretation of the crystal structure suggests a new reaction mechanism: In step I, formate binds directly to Mo, displacing Se-Cys140. In step II, the alpha-proton from formate may be transferred to the nearby His141 that acts as general base. In this step the CO2 molecule can be released and two electrons transferred to Mo. Alternatively, step II may involve a selenium-carboxylated intermediate. In step III, electrons from Mo(IV) are transferred via the [4Fe-4S] center to an external electron acceptor and the catalytic cycle is completed 674932
Show all pathways known for 1.17.98.4Display the word mapDisplay the reaction diagram Show all sequences 1.17.98.4selenium anaerobic oxidation of formate by Methanococcus vannielii is catalyzed by two readily separable formate dehydrogenases. One of these is a 105000 Da protein that contains molybdenum, iron, and acid-labile sulfide, but not selenium. The other is a high molecular weight complex composed of selenoprotein and molybdo-iron sulfur protein subunits 727803
Show all pathways known for 1.17.98.4Display the word mapDisplay the reaction diagram Show all sequences 1.17.98.4selenocysteine the enzyme contains selenocysteine 726799
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