. "Catalysis of the endohydrolysis of (1->4)-linkages in beta-D-glucans when the glucose residue whose reducing group is involved in the linkage to be hydrolysed is itself substituted at C-3." . . "laminaranase activity" . "laminarinase activity" . "glucan endo-1,4-beta-glucanase activity, C-3 substituted reducing group" . "1,3-(1,4)-beta-D-glucan 4-glucanohydrolase activity" . .