ENTRY EC 1.14.18.1 NAME Monophenol monooxygenase Tyrosinase Phenolase Monophenol oxidase Cresolase SYSNAME Monophenol,L-dopa:oxygen oxidoreductase CLASS Oxidoreductases Acting on paired donors with incorporation of molecular oxygen With another compound as one donor, and incorporation of one atom of oxygen REACTION L-Tyrosine + L-Dopa + O2 = L-Dopa + Dopaquinone + H2O SUBSTRATE L-Tyrosine L-Dopa Benzenediol O2 PRODUCT L-Dopa Dopaquinone H2O COFACTOR Copper COMMENT A group of copper proteins that also catalyse the reaction of EC 1.10.3.1, if only benzenediols are available as substrate. (EC 1.10.3.1 Catechol oxidase) PATHWAY PATH: MAP00350 Tyrosine metabolism PATH: MAP00740 Riboflavin metabolism PATH: MAP00940 Flavonoids, stilbene and lignin biosynthesis PATH: MAP00950 Alkaloid biosynthesis I GENES DME: CG5779 MMU: 94856 98880(Tyr) HSA: 7299(TYR) DISEASE MIM: 203100 Tyrosinase DBLINKS IUBMB Enzyme Nomenclature: 1.14.18.1 ExPASy - ENZYME nomenclature database: 1.14.18.1 WIT (What Is There) Metabolic Reconstruction: 1.14.18.1 BRENDA, the Enzyme Database: 1.14.18.1 /// ENTRY EC 3.4.21.50 NAME Lysyl endopeptidase Achromobacter proteinase I Endoproteinase Lys-C Ps-1 CLASS Hydrolases Acting on peptide bonds (peptidases) Serine endopeptidases REACTION Preferential cleavage: Lys+, including -Lys-|-Pro- SUBSTRATE Protein Peptide H2O PRODUCT Protein Peptide COMMENT A chymotrypsin homologue isolated from Achromobacter lyticus. Enzymes with similar specificity are produced by Lysobacter enzymogenes (Endoproteinase Lys-C) and Pseudomonas aeruginosa (Ps-1). COMMENT Also hydrolyses lysine amides and esters. GENES MJA: MJ1468 MTH: MTH995 STRUCTURES PDB: 1ARC 1ARB DBLINKS IUBMB Enzyme Nomenclature: 3.4.21.50 ExPASy - ENZYME nomenclature database: 3.4.21.50 WIT (What Is There) Metabolic Reconstruction: 3.4.21.50 BRENDA, the Enzyme Database: 3.4.21.50 SCOP (Structural Classification of Proteins): 3.4.21.50 ///