PDBe 1viw

X-ray diffraction
3Å resolution

TENEBRIO MOLITOR ALPHA-AMYLASE-INHIBITOR COMPLEX

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero tetramer
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Alpha-amylase Chain: A
Molecule details ›
Chain: A
Length: 471 amino acids
Theoretical weight: 51.23 KDa
Source organism: Tenebrio molitor
UniProt:
  • Canonical: P56634 (Residues: 1-471; Coverage: 100%)
Sequence domains:
Structure domains:
Alpha-amylase inhibitor 1 Chain: B
Molecule details ›
Chain: B
Length: 205 amino acids
Theoretical weight: 22.71 KDa
Source organism: Phaseolus vulgaris
UniProt:
  • Canonical: P02873 (Residues: 24-228; Coverage: 92%)
Gene names: Alpha-AI1, LLP
Structure domains: Jelly Rolls

Ligands and Environments

3 bound ligands:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: LURE BEAMLINE DW32
Spacegroup: C2
Unit cell:
a: 168.475Å b: 75.911Å c: 61.989Å
α: 90° β: 101.29° γ: 90°
R-values:
R R work R free
0.23 0.23 0.291