1ow0

X-ray diffraction
3.1Å resolution

Crystal structure of human FcaRI bound to IgA1-Fc

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
homo dimer
monomeric
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-134965 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (7 distinct):
Immunoglobulin heavy constant alpha 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 214 amino acids
Theoretical weight: 23.23 KDa
Source organism: Homo sapiens
Expression system: Cricetulus griseus
UniProt:
  • Canonical: P01876 (Residues: 122-333; Coverage: 53%)
Gene name: IGHA1
Sequence domains:
Structure domains: Immunoglobulins
Immunoglobulin alpha Fc receptor Chains: C, D
Molecule details ›
Chains: C, D
Length: 207 amino acids
Theoretical weight: 23.62 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P24071 (Residues: 22-216; Coverage: 73%)
Gene names: CD89, FCAR
Sequence domains: Immunoglobulin domain
Structure domains: Immunoglobulins

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, BMA, GAL, SIA, FUL
Carbohydrate polymer : NEW Components: NAG, BMA, GAL, SIA, FUC
Carbohydrate polymer : NEW Components: NAG, BMA, MAN
Carbohydrate polymer : NEW Components: NAG, BMA, NDG
Carbohydrate polymer : NEW Components: NAG, BMA, MAN
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: P3
Unit cell:
a: 142.987Å b: 142.987Å c: 67.655Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.252 0.252 0.284
Expression systems:
  • Cricetulus griseus
  • Trichoplusia ni