Enzyme:4.3.1.3

Upper Levels: EC4.-.-.- Lyases. : EC4.3.-.- Carbon-nitrogen lyases. : EC4.3.1.- Ammonia-lyases.

IDs and Links
IUBMB	EC4
ExPaSy	NiceZyme 4.3.1.3

L-histidine ammonia-lyase
Systematic Name	L-histidine ammonia-lyase
Common Name	histidine ammonia-lyase histidase histidinase histidine alpha-deaminase

L-Histidine = Urocanic acid + NH3 (links: (2S) -2-Amino-3- (1H-imidazol-5-yl) propanoic acid = trans-3- (1H-Imidazol-5-yl) prop-2-enoic acid + NH3)
(2S) -2-Amino-3- (1H-imidazol-5-yl) propanoic acid <Mapping> AtomMap:BMACIZ--0002$BMMCIZ--k025$0 trans-3- (1H-Imidazol-5-yl) prop-2-enoic acid 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 7 ↔ 7 8 ↔ 8 (2S) -2-Amino-3- (1H-imidazol-5-yl) propanoic acid <Mapping> AtomMap:BMACIZ--0002$BMIONT--0004$0 NH3 9 ↔ 1