BRENDA: BR44017
KEGG: R01174
MetaCyc: PHOSPHATE-BUTYRYLTRANSFERASE-RXN
SABIO-RK: 1411
BRENDA: BR47829
KEGG: R01688
MetaCyc: BUTYRATE-KINASE-RXN
SABIO-RK: 1808
BRENDA: BS423414
BRENDA: BS189087
SABIO-RK: 12500