urocanase
nounEtymology From urocanate + -ase.
1
Biochemistry, Biology, Chemistry, Microbiology, Natural sciences, Physical sciences An enzyme that catalyzes the second step in the degradation of histidine, the hydration of urocanate into imidazolonepropionate.
- Inherited deficiency of urocanase leads to elevated levels of urocanic acid in the urine.