ENTRY EC 3.4.22.26 NAME Cancer procoagulant CLASS Hydrolases Acting on peptide bonds (peptidases) Cysteine endopeptidases REACTION Specific cleavage of Arg+Ile bond in Factor X to form Factor Xa. SUBSTRATE Factor X H2O PRODUCT Factor Xa COMMENT Apparently produced only by malignant and fetal cells. DBLINKS University of Geneva ENZYME DATA BANK: 3.4.22.26 WIT (What Is There) Metabolic Reconstruction: 3.4.22.26 ///