ENTRY       EC 4.4.1.2
NAME        Homocysteine desulfhydrase
CLASS       Lyases
            Carbon-sulfur lyases
SYSNAME     L-Homocysteine hydrogen-sulfide-lyase (deaminating)
REACTION    L-Homocysteine + H2O = Sulfide + NH3 + 2-Oxobutanoate
SUBSTRATE   L-Homocysteine
            H2O
PRODUCT     Sulfide
            NH3
            2-Oxobutanoate
COFACTOR    Pyridoxal phosphate
COMMENT     A pyridoxal-phosphate protein.
PATHWAY     PATH: MAP00910  Nitrogen metabolism
            PATH: MAP00920  Sulfur metabolism
DBLINKS     University of Geneva ENZYME DATA BANK: 4.4.1.2
            WIT (What Is There) Metabolic Reconstruction: 4.4.1.2
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