The enzyme cyclohexa-1,5-dienecarbonyl-CoA hydratase (EC 4.2.1.100) catalyzes the chemical reaction

6-hydroxycyclohex-1-enecarbonyl-CoA ${\displaystyle \rightleftharpoons }$ cyclohexa-1,5-dienecarbonyl-CoA + H₂O

This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. The systematic name of this enzyme class is 6-hydroxycyclohex-1-enecarbonyl-CoA (cyclohexa-1,5-dienecarbonyl-CoA-forming). Other names in common use include cyclohexa-1,5-diene-1-carbonyl-CoA hydratase, dienoyl-CoA hydratase, and cyclohexa-1,5-dienecarbonyl-CoA hydro-lyase (incorrect). This enzyme participates in benzoate degradation via CoA ligation.

• Laempe D, Eisenreich W, Bacher A, Fuchs G (1998). "Cyclohexa-1,5-diene-1-carbonyl-CoA hydratase [corrected], an enzyme involved in anaerobic metabolism of benzoyl-CoA in the denitrifying bacterium Thauera aromatica". Eur. J. Biochem. 255 (3): 618–27. doi:10.1046/j.1432-1327.1998.2550618.x. PMID 9738901.
• Harwood CS, Gibson J (1997). "Shedding light on anaerobic benzene ring degradation: a process unique to prokaryotes?". J. Bacteriol. 179 (2): 301–9. PMC 178697. PMID 8990279.
• Koch J, Eisenreich W, Bacher A, Fuchs G (1993). "Products of enzymatic reduction of benzoyl-CoA, a key reaction in anaerobic aromatic metabolism". Eur. J. Biochem. 211 (3): 649–61. doi:10.1111/j.1432-1033.1993.tb17593.x. PMID 8436125.