an Entity references as follows:
Nigerose phosphorylase (EC 2.4.1.279, cphy1874 (gene)) is an enzyme with systematic name 3-O-alpha-D-glucopyranosyl-D-glucopyranose:phosphate beta-D-glucosyltransferase. This enzyme catalyses the following chemical reaction 3-O-alpha-D-glucopyranosyl-D-glucopyranose + phosphate D-glucose + beta-D-glucose 1-phosphate The enzymes from Clostridium phytofermentans is specific for nigerose.