alpha-1,4-glucosidase activity Catalysis of the hydrolysis of terminal, non-reducing alpha-(1->4)-linked alpha-D-glucose residues with release of alpha-D-glucose. EC:3.2.1.20 GO:0004558 GO:0004562 GO:0016982 MetaCyc:MALTODEXGLUCOSID-RXN Reactome:REACT_100920 Reactome:REACT_102012 Reactome:REACT_103965 Reactome:REACT_103976 Reactome:REACT_108880 Reactome:REACT_112486 Reactome:REACT_113312 Reactome:REACT_114036 Reactome:REACT_32591 Reactome:REACT_53202 Reactome:REACT_80032 Reactome:REACT_82469 Reactome:REACT_82683 Reactome:REACT_84778 Reactome:REACT_84962 Reactome:REACT_88169 Reactome:REACT_88678 Reactome:REACT_88835 Reactome:REACT_89837 Reactome:REACT_94010 Reactome:REACT_9414 Reactome:REACT_9424 Reactome:REACT_9426 Reactome:REACT_9479 Reactome:REACT_9506 Reactome:REACT_95331 Reactome:REACT_97286 Reactome:REACT_97290 Reactome:REACT_97456 acid maltase activity alpha-1,4-glucosidase activity alpha-D-glucosidase activity alpha-D-glucoside glucohydrolase activity alpha-glucopyranosidase activity alpha-glucosidase II alpha-glucoside hydrolase activity glucoinvertase activity glucosidoinvertase activity glucosidosucrase activity lysosomal alpha-glucosidase activity maltase-glucoamylase activity molecular_function