title: Presence of a single essential histidyl residue in octopine dehydrogenase as shown by photooxidation.
mesh_terms: D000594:Amino Acid Oxidoreductases / Q000032:analysis* / Q000378:metabolism; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D003545:Cysteine / Q000032:analysis; D006639:Histidine / Q000032:analysis*; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008974:Mollusca / Q000201:enzymology; D009905:Optical Rotatory Dispersion; D010084:Oxidation-Reduction; D010777:Photochemistry; D012395:Rose Bengal; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet; D013329:Structure-Activity Relationship; D013438:Sulfhydryl Compounds / Q000032:analysis
chemical_list: D000596:Amino Acids; D013438:Sulfhydryl Compounds; D012395:Rose Bengal; D006639:Histidine; D000594:Amino Acid Oxidoreductases; D003545:Cysteine