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X-ray diffraction
2Å resolution

SUBSITE MAPPING OF THE ACTIVE SITE OF HUMAN PANCREATIC ALPHA-AMYLASE USING SUBSTRATES, THE PHARMACOLOGICAL INHIBITOR ACARBOSE, AND AN ACTIVE SITE VARIANT

Released:

Function and Biology Details

Reaction catalysed:
Endohydrolysis of (1->4)-alpha-D-glucosidic linkages in polysaccharides containing three or more (1->4)-alpha-linked D-glucose units
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-138163 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (3 distinct):
Pancreatic alpha-amylase Chain: A
Molecule details ›
Chain: A
Length: 496 amino acids
Theoretical weight: 55.93 KDa
Source organism: Homo sapiens
Expression system: Komagataella pastoris
UniProt:
  • Canonical: P04746 (Residues: 16-511; Coverage: 100%)
Gene name: AMY2A
Sequence domains:
Structure domains:

Ligands and Environments

Carbohydrate polymer : NEW Components: GLC, AGL
Carbohydrate polymer : NEW Components: GLC
1 modified residue:

Experiments and Validation Details

Entry percentile scores
Spacegroup: P212121
Unit cell:
a: 52.91Å b: 68.9Å c: 131.77Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.17 0.17 not available
Expression system: Komagataella pastoris