Term Name:	glucan 1,4-alpha-maltotetraohydrolase activity
Synonyms:	1,4-alpha-D-glucan maltotetraohydrolase activity, exo-maltotetraohydrolase activity, G4-amylase activity, glucan 1,4-alpha-maltotetrahydrolase activity, maltotetraose-forming amylase activity
Definition:	Catalysis of the hydrolysis of (1->4)-alpha-D-glucosidic linkages in amylaceous polysaccharides, to remove successive maltotetraose residues from the non-reducing chain ends.
Ontology:	GO: Molecular Function [GO:0033910]    QuickGO    AmiGO