MetaCyc Pathway: L-histidine degradation II in Sinorhizobium meliloti 1021

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Reactions and Genes L-Histidine
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Histidine ammonia-lyase:
L-histidine→urocanate + ammonium (EC 4.3.1.3)
SM_b21165 -1.0
SMa0306 +0.0
SMc00669 +0.0
Urocanate hydratase (in reverse):
urocanate + H2O→4-imidazolone-5-propanoate (EC 4.2.1.49)
SM_b21163 -1.6
Imidazolonepropionase:
4-imidazolone-5-propanoate + H2O→N-formimino-L-glutamate (EC 3.5.2.7)
SM_b21166 -1.0
Formimidoylglutamate deiminase:
N-formimino-L-glutamate + H2O→N-formyl-L-glutamate + ammonium (EC 3.5.3.13)
SMc00673 -2.3
N-formylglutamate deformylase:
N-formyl-L-glutamate + H2O→L-glutamate + formate (EC 3.5.1.68)
SM_b21164 -1.2
SMc03098 -0.0
SMc04043 +0.3

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Candidate genes for each reaction are identified from best hits to MetaCyc; by matching EC numbers (which are assigned by TIGRFam, SEED, or best hits to KEGG); or by matching SEED roles to KEGG reactions to MetaCyc reactions. See the "Protein" tab of each gene for more information