4g9a

X-ray diffraction
2Å resolution

Crystal structure of calcium2+-bound wild-type CD23 lectin domain

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-139190 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Low affinity immunoglobulin epsilon Fc receptor soluble form Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 143 amino acids
Theoretical weight: 16.16 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P06734 (Residues: 156-298; Coverage: 45%)
Gene names: CD23A, CLEC4J, FCE2, FCER2, IGEBF
Sequence domains: Lectin C-type domain
Structure domains: Mannose-Binding Protein A, subunit A

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I03
Spacegroup: P1
Unit cell:
a: 54.243Å b: 53.705Å c: 56.641Å
α: 112.92° β: 88.53° γ: 114.96°
R-values:
R R work R free
0.155 0.152 0.205
Expression system: Escherichia coli