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THREE DIMENSIONAL STRUCTURE ANALYSIS OF THE R337Q VARIANT OF HUMAN PANCREATIC ALPHA-MYLASE

Source organism: Homo sapiens
Biochemical function: metal ion binding
Biological process: polysaccharide digestion
Cellular component: extracellular exosome

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EC 3.2.1.1: Alpha-amylase

Reaction catalysed:
Endohydrolysis of (1->4)-alpha-D-glucosidic linkages in polysaccharides containing three or more (1->4)-alpha-linked D-glucose units
Systematic name:
4-alpha-D-glucan glucanohydrolase
Alternative Name(s):
  • 1,4-alpha-D-glucan glucanohydrolase
  • Alpha amylase
  • Alpha-amylase
  • Endoamylase
  • Glycogenase
  • Taka-amylase A

GO terms

Sequence families

Pfam Protein families (Pfam)
PF02806
Domain description: Alpha amylase, C-terminal all-beta domain
Occurring in:
  1. Pancreatic alpha-amylase

PF00128
Domain description: Alpha amylase, catalytic domain
Occurring in:
  1. Pancreatic alpha-amylase

InterPro InterPro annotations
IPR006046
Domain description: Alpha amylase
Occurring in:
  1. Pancreatic alpha-amylase
IPR006047
Domain description: Glycosyl hydrolase, family 13, catalytic domain
Occurring in:
  1. Pancreatic alpha-amylase
IPR006048
Domain description: Alpha-amylase/branching enzyme, C-terminal all beta
Occurring in:
  1. Pancreatic alpha-amylase
IPR031319
Domain description: Alpha-amylase, C-terminal domain
Occurring in:
  1. Pancreatic alpha-amylase
IPR013780
Domain description: Glycosyl hydrolase, all-beta
Occurring in:
  1. Pancreatic alpha-amylase
IPR017853
Domain description: Glycoside hydrolase superfamily
Occurring in:
  1. Pancreatic alpha-amylase

Structure domains

CATH CATH domains
2.60.40.1180
Class: Mainly Beta
Architecture: Sandwich
Topology: Immunoglobulin-like
Homology: Golgi alpha-mannosidase II
Occurring in:
  1. Pancreatic alpha-amylase
3.20.20.80
Class: Alpha Beta
Architecture: Alpha-Beta Barrel
Topology: TIM Barrel
Homology: Glycosidases
Occurring in:
  1. Pancreatic alpha-amylase
SCOP SCOP annotations
51012
Class: All beta proteins
Fold: Glycosyl hydrolase domain
Superfamily: Glycosyl hydrolase domain
Occurring in:
  1. Pancreatic alpha-amylase
51446
Class: Alpha and beta proteins (a/b)
Fold: TIM beta/alpha-barrel
Superfamily: (Trans)glycosidases
Occurring in:
  1. Pancreatic alpha-amylase

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