acetyl-CoA ↔ coenzyme A + acetoacetyl-CoA (R12)
- Overexpression
  - Plasmid
butan-1-ol + NAD⁺ ↔ NADH + butan-1-al + H⁺ (R717)
- Overexpression
  - Plasmid
coenzyme A + butan-1-al + NAD⁺ ↔ butanoyl-CoA + H⁺ + NADH (R01007)
- Overexpression
  - Plasmid
(S)-3-hydroxybutanoyl-CoA ↔ H₂O + crotonyl-CoA (R737)
- Overexpression
  - Plasmid
(S)-3-hydroxybutanoyl-CoA + NAD⁺ ↔ NADH + acetoacetyl-CoA + H⁺ (R166)
- Overexpression
  - Plasmid
acetyl-CoA + phosphate ↔ coenzyme A + acetyl phosphate (R424)
- Silencing
  - Genome
    - Escherichia coli JCL299/pEL11/pEL102
    - Escherichia coli JCL299/pEL11/pEL102/pCS138