Title : Structures of two histidine ammonia-lyase modifications and implications for the catalytic mechanism.

Pub. Date : 2002 Mar

PMID : 11895450






1 Functional Relationships(s)
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Protein Name
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1 Histidine ammonia-lyase (EC 4.3.1.3) catalyzes the nonoxidative elimination of the alpha-amino group of histidine using a 4-methylidene-imidazole-5-one (MIO), which is formed autocatalytically from the internal peptide segment 142Ala-Ser-Gly. Histidine histidine ammonia-lyase Homo sapiens