title: Cytosine deaminase: structural modifications studies.
abstract: Structural modification studies have been shown that a cysteine, a histidine and possibly an arginine residue are involved in the catalytic process. The enzyme gave a single band on polyacrylamide gel electrophoresis, and the amino acid analysis showed it to contain a high proportion of hydrophobic residues, which was in agreement with the chemical modification results.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000619:Aminohydrolases / Q000032:analysis*; D001665:Binding Sites; D003596:Cytosine; D004591:Electrophoresis, Polyacrylamide Gel
chemical_list: D000596:Amino Acids; D003596:Cytosine; D000619:Aminohydrolases