... same as those of Mun/Bst. Therefore, these results indicate that the fragmentincluding consensus region II c ontributes to the determin-ation of the substrate specificity of a-glucosidase.Site-directed ... reus suc-rase-isomaltase [28]; Bco, B. coagulans sucrase-isomaltase [29]; Bsp1,Bacillus sp. D G0303 a-glucosidase [30] , Bsp2, Basillus sp . F5 sucrase -isomaltase [31]; Bfl, B. flav ocaldarius ... ocaldarius oligo-1,6-glucosidase [32]; Spn,Streptococcus pneumoniae a-1,6-glucosidase [33]; Bsu, B. subtilis suc-rase-isomaltase-maltase [34]; B sp3, Bacillus sp. a-glucosidase [35], T cu,Thermomonospora...