PDBe 4x9y

X-ray diffraction
1.07Å resolution

Wild-Type Human Pancreatic Alpha-Amylase at True Atomic Resolution (1.07 A)

Released:
Source organism: Homo sapiens
Entry authors: Caner S, Brayer GD

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)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
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

2 bound ligands:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL12-2
Spacegroup: P212121
Unit cell:
a: 52.2Å b: 67.75Å c: 130.23Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.114 0.113 0.132
Expression system: Komagataella pastoris