PDBe 3ona

X-ray diffraction
2.6Å resolution

The SECRET domain in complex with CX3CL1


Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Processed fractalkine Chain: B
Molecule details ›
Chain: B
Length: 80 amino acids
Theoretical weight: 8.97 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P78423 (Residues: 24-100; Coverage: 20%)
Gene names: A-152E5.2, CX3CL1, FKN, NTT, SCYD1
Sequence domains: Small cytokines (intecrine/chemokine), interleukin-8 like
Structure domains: OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Tumour necrosis factor receptor Chain: A
Molecule details ›
Chain: A
Length: 163 amino acids
Theoretical weight: 18.01 KDa
Source organism: Ectromelia virus
Expression system: Escherichia coli
  • Canonical: Q7TDW8 (Residues: 162-320; Coverage: 50%)
Gene name: crmD

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P3221
Unit cell:
a: 71.33Å b: 71.33Å c: 93.141Å
α: 90° β: 90° γ: 120°
R R work R free
0.199 0.196 0.25
Expression system: Escherichia coli