Kinetic characterization of methionine gamma-lyases from the enteric protozoan parasite Entamoeba histolytica against physiological substrates and trifluoromethionine, a promising lead compound against amoebiasis.

Abstract excerpt

Methionine gamma-lyase (MGL) (EC 4.4.1.11), which is present in certain lineages of bacteria, plants, and protozoa but missing in mammals, catalyzes the single-step degradation of sulfur-containing amino acids (SAAs) to alpha-keto acids, ammonia, and thiol compounds. In contrast to other organisms possessing MGL, anaerobic parasitic protists, namely Entamoeba histolytica and Trichomonas vaginalis, harbor a pair...

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• Carbon-Sulfur Lyases
• Cysteine
• Entamoeba histolytica
• Isoenzymes
• Methionine