X-ray diffraction
2.7Å resolution

Crystal Structure of the the CD9


Function and Biology Details

Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
CD9 antigen Chain: A
Molecule details ›
Chain: A
Length: 228 amino acids
Theoretical weight: 25.44 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
  • Canonical: P21926 (Residues: 1-228; Coverage: 98%)
Gene names: CD9, GIG2, MIC3, TSPAN29
Sequence domains: Tetraspanin family

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL32XU
Spacegroup: C2221
Unit cell:
a: 45.18Å b: 125.21Å c: 129.4Å
α: 90° β: 90° γ: 90°
R R work R free
0.265 0.262 0.289
Expression system: Spodoptera frugiperda