1.1.1.30	3-hydroxybutyrate dehydrogenase	Zoogloea ramigera I-16-M	
1.1.1.36	acetoacetyl-CoA reductase	Zoogloea ramigera	
2.3.1.9	acetyl-CoA C-acetyltransferase	Zoogloea ramigera	
3.1.1.22	hydroxybutyrate-dimer hydrolase	Zoogloea ramigera	
6.2.1.16	acetoacetate-CoA ligase	Zoogloea ramigera	
6.2.1.16	acetoacetate-CoA ligase	Zoogloea ramigera 1-16-M / ATCC 19623