PDBe 3x0e

X-ray diffraction
1.84Å resolution

Crystal structure of the ectodomain of human CD81 large extracellular loop (hCD81-LEL)


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
CD81 antigen Chains: A, B
Molecule details ›
Chains: A, B
Length: 93 amino acids
Theoretical weight: 10.25 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P60033 (Residues: 113-202; Coverage: 38%)
Gene names: CD81, TAPA1, TSPAN28
Structure domains: Tetraspanin

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P21
Unit cell:
a: 31.124Å b: 77.408Å c: 38.497Å
α: 90° β: 107.94° γ: 90°
R R work R free
0.196 0.195 0.225
Expression system: Escherichia coli