PDBe 1puo

X-ray diffraction
1.85Å resolution

Crystal structure of Fel d 1- the major cat allergen

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Major allergen I polypeptide chain 2; Major allergen I polypeptide chain 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 170 amino acids
Theoretical weight: 19.07 KDa
Source organism: Felis catus
Expression system: Escherichia coli
UniProt:
  • Canonical: P30438 (Residues: 23-57, 58-92; Coverage: 100%)
  • Canonical: P30440 (Residues: 18-109; Coverage: 100%)
  • nullnull
Gene names: CH1, CH2
Sequence domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MAX II BEAMLINE I711, ESRF BEAMLINE ID29
Spacegroup: P21
Unit cell:
a: 43.29Å b: 51.539Å c: 67.725Å
α: 90° β: 95.27° γ: 90°
R-values:
R R work R free
0.203 0.201 0.237
Expression system: Escherichia coli