Enzyme Details

Enzyme (Recommended) Name	histidine ammonia-lyase
Alternative names	histidinase L-histidine ammonia-lyase (urocanate-forming) histidase histidine alpha-deaminase L-histidine ammonia-lyase
EC Classification	4.3.1.3
Classification	Lyases Carbon-nitrogen lyases Ammonia-lyases
Catalyses reactions	L-Histidine <-> NH3 + Urocanate alpha-Amino acid <-> NH3 + 2,3-Ene acid Histidine <-> NH3 + Urocanate 4-Fluorohistidine <-> NH3 + 4-Fluorourocanate
External links	Expasy KEGG IntEnz (EBI) IUBMB Reactome HepatoSys
	View all entries for EC Class 4.3.1.3