7kp4

X-ray diffraction
3.37Å resolution

Crystal structure of human claudin-4 in complex with Clostridium perfringens enterotoxin C-terminal domain

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-126980 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Claudin-4 Chain: A
Molecule details ›
Chain: A
Length: 214 amino acids
Theoretical weight: 22.61 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: O14493 (Residues: 1-209; Coverage: 100%)
Gene names: CLDN4, CPER, CPETR1, WBSCR8
Sequence domains: PMP-22/EMP/MP20/Claudin family
Heat-labile enterotoxin B chain Chain: B
Molecule details ›
Chain: B
Length: 134 amino acids
Theoretical weight: 15.11 KDa
Source organism: Clostridium perfringens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P01558 (Residues: 192-319; Coverage: 40%)
Gene name: cpe

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.3.1
Spacegroup: P212121
Unit cell:
a: 70.36Å b: 116.23Å c: 118.05Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.294 0.294 0.296
Expression system: Trichoplusia ni