alka:J0B03_09540 K00626 acetyl-CoA C-acetyltransferase [EC:2.3.1.9] | (GenBank) acetyl-CoA C-acetyltransferase alka:J0B03_09545 K00074 3-hydroxybutyryl-CoA dehydrogenase [EC:1.1.1.157] | (GenBank) 3-hydroxyacyl-CoA dehydrogenase family protein