The present invention relates to a sucrose phosphorylase variant comprising or consisting of an amino acid sequence with at least 75% homologous and/or identical to an amino acid sequence of wild type sucrose phosphorylase, preferably wherein the sucrose phosphorylase is characterized by different structural and functional features. The invention also relates to method for preparing aG1P and a co-product, wherein the method comprises reacting a sucrose phosphorylase with a glucoside substrate, wherein the sucrose phosphorylase is a sucrose phosphorylase as defined in the context of the present invention.