OntologiesgoclassesGO:0018491   
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2-oxobutyrate synthase activity
http://purl.obolibrary.org/obo/GO_0018491

Catalysis of the reaction: 2-oxobutanoate + CoA + oxidized ferredoxin = propanoyl-CoA + CO2 + reduced ferredoxin.

Also appears ingexoccoretorexo
Exact Synonyms
2-ketobutyrate synthase activity
2-oxobutanoate:ferredoxin 2-oxidoreductase (CoA-propionylating)
2-oxobutyrate-ferredoxin oxidoreductase activity
alpha-ketobutyrate synthase activity
alpha-ketobutyrate-ferredoxin oxidoreductase activity