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ENZYME entry: EC 3.2.1.3

Accepted Name
glucan 1,4-alpha-glucosidase
Alternative Name(s)
4-alpha-D-glucan glucohydrolase
amyloglucosidase
exo-1,4-alpha-glucosidase
gamma-amylase
glucoamylase
lysosomal alpha-glucosidase
Reaction catalysed
Hydrolysis of terminal (1->4)-linked alpha-D-glucose residues successively from non-reducing ends of the chains with release of beta-D-glucose
Comment(s)
  • Most forms of the enzyme can rapidly hydrolyze 1,6-alpha-D-glucosidic bonds when the next bond in the sequence is 1,4, and some preparations of this enzyme hydrolyze 1,6- and 1,3-alpha-D-glucosidic bonds in other polysaccharides.
  • This entry covers all such enzymes acting on polysaccharides more rapidly than on oligosaccharides.
  • EC 3.2.1.20 from mammalian intestine can catalyze similar reactions.
Cross-references
BRENDA3.2.1.3
EC2PDB3.2.1.3
ExplorEnz3.2.1.3
PRIAM enzyme-specific profiles3.2.1.3
KEGG Ligand Database for Enzyme Nomenclature3.2.1.3
IUBMB Enzyme Nomenclature3.2.1.3
IntEnz3.2.1.3
MEDLINEFind literature relating to 3.2.1.3
MetaCyc3.2.1.3
Rhea expert-curated reactions3.2.1.3
UniProtKB/Swiss-Prot
I1BYW6, AMYD_RHIO9Q03045, AMYG_AMOREP0DN29, AMYG_ARTBC
P69327, AMYG_ASPAWP23176, AMYG_ASPKAP69328, AMYG_ASPNG
P36914, AMYG_ASPORP22832, AMYG_ASPUSC0HJE2, AMYG_BACLI
P42042, AMYG_BLAADO74254, AMYG_CANALP29761, AMYG_CLOS0
P14804, AMYG_NEUCRP07683, AMYG_RHIORP08017, AMYG_SACFI
D8Q9M3, AMYG_SCHCMP22861, AMYG_SCHOCO60087, AMYG_SCHPO
P08019, AMYG_YEASTP26989, AMYH_SACFIP04065, AMYH_YEASX
P29760, AMYI_YEASXQ2M2H8, MGAL_HUMANG8JZS4, SUSB_BACTN

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.2.1.-
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