3.1.3.24 sucrose 6F-phosphate + H2O = sucrose + phosphate - - 3.1.3.24 sucrose 6F-phosphate + H2O = sucrose + phosphate catalytic reaction is initiated by a nucleophilic attack on the substrate by Asp9 and involves formation of a covalent phospho-Asp9-enzyme intermediate 666577 3.1.3.24 sucrose 6F-phosphate + H2O = sucrose + phosphate N-terminal catalytic domain 653641