porcine pancreatic alpha-amylase ( 1,4-alpha-d-glucan glucanohydrolase , ec 3.2.1.1 ) produced o-6-phosphoryl-alpha-d-glucopyranosyl- ( 1 -- 4 ) -o-alpha-d-glucopyranosyl - ( 1 -- 4 ) -d-glucopyranose ( 6 ( 3 ) -phosphoryl maltotriose ) and o-alpha-d-glucopyranosyl- ( 1 -- 4 ) -o-alpha-d-glucopyranosyl- o-3-phosphoryl-alpha-d-glucopyranosyl- ( 1 -- 4 ) -d-glucopyranose ( 3 ( 2 ) -phosphoryl maltotetraose ) from potato starch upon exhaustive hydrolysis , while bacillus subtilis alpha-amylase ( liquefying type ) yielded o-alpha-d-glucopyranosyl- ( 1 -- 4 ) -o-6-phosphoryl-alpha-d- -glucopyranosyl- ( 1 -- 4 ) -d-glucopyranose ( 6 ( 2 ) -phosphoryl maltotriose ) and 3 ( 2 ) -phosphoryl maltotetraose .
C0020291
hydrolysis
C0002245
alpha-amylase