X-ray diffraction
1.9Å resolution

Crystal structure of Alternaria alternata allergen Alt a 1


Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:

Structure analysis Details

Assemblies composition:
homo tetramer
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Major allergen Alt a 1 Chain: A
Molecule details ›
Chain: A
Length: 133 amino acids
Theoretical weight: 14.61 KDa
Source organism: Alternaria alternata
Expression system: Escherichia coli
  • Canonical: P79085 (Residues: 25-157; Coverage: 96%)
Gene name: ALTA1
Sequence domains: Alternaria alternata allergen 1
Structure domains: AOC barrel-like

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: I4122
Unit cell:
a: 70.016Å b: 70.016Å c: 179.27Å
α: 90° β: 90° γ: 90°
R R work R free
0.168 0.167 0.19
Expression system: Escherichia coli