4g96

X-ray diffraction
2.25Å resolution

Crystal structure of calcium2+-free 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: SRS BEAMLINE PX14.1
Spacegroup: P1
Unit cell:
a: 52.398Å b: 56.728Å c: 62.202Å
α: 68.49° β: 88.16° γ: 73.4°
R-values:
R R work R free
0.176 0.173 0.236
Expression system: Escherichia coli