sdn:Sden_1941 no KO assigned | (GenBank) Butyryl-CoA dehydrogenase sdn:Sden_1943 K00626 acetyl-CoA C-acetyltransferase [EC:2.3.1.9] | (GenBank) Acetyl-CoA C-acetyltransferase sdn:Sden_1217 no KO assigned | (GenBank) conserved hypothetical protein