Term Name:	methyl/ethyl malonyl-CoA decarboxylase activity
Synonyms:	(S)-2-methyl-3-oxopropanoyl-CoA carboxy-lyase activity, (S)-methylmalonyl-CoA carboxy-lyase (propanoyl-CoA-forming), (S)-methylmalonyl-CoA carboxy-lyase activity, ethylmalonyl-CoA decarboxylase activity, methylmalonyl-coenzyme A decarboxylase activity
Definition:	Catalysis of the reaction: (S)-methylmalonyl-CoA + H+ = CO2 + propanoyl-CoA or (2S)-ethylmalonyl-CoA + H+ = butanoyl-CoA + CO2.
Ontology:	GO: Molecular Function [GO:0004492]    QuickGO    AmiGO