PDBe 3blk

X-ray diffraction
2Å resolution

Role of aromatic residues in starch binding

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)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Alpha-amylase 1 Chain: A
Molecule details ›
Chain: A
Length: 496 amino acids
Theoretical weight: 55.84 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P04745 (Residues: 16-511; Coverage: 100%)
Gene names: AMY1, AMY1A, AMY1B, AMY1C
Sequence domains:
Structure domains:

Ligands and Environments


1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE A1
Spacegroup: P212121
Unit cell:
a: 52.282Å b: 75.046Å c: 135.013Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.195 0.176 0.215
Expression system: Spodoptera frugiperda