ENTRY       EC 4.3.1.4
NAME        Formiminotetrahydrofolate cyclodeaminase
CLASS       Lyases
            Carbon-nitrogen lyases
            Ammonia-lyases
SYSNAME     5-Formiminotetrahydrofolate ammonia-lyase (cyclizing)
REACTION    5-Formiminotetrahydrofolate = 5,10-Methenyltetrahydrofolate + NH3
SUBSTRATE   5-Formiminotetrahydrofolate
PRODUCT     5,10-Methenyltetrahydrofolate
            NH3
COMMENT     In eukaryotes occurs as a bifunctional enzyme also having
            glutamate formiminotransferase (EC 2.1.2.5) activity.
PATHWAY     PATH: MAP00670  One carbon pool by folate
DBLINKS     University of Geneva ENZYME DATA BANK: 4.3.1.4
            WIT (What Is There) Metabolic Reconstruction: 4.3.1.4
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