1i8l

X-ray diffraction
3Å resolution

HUMAN B7-1/CTLA-4 CO-STIMULATORY COMPLEX

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-147704 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
T-lymphocyte activation antigen CD80 Chains: A, B
Molecule details ›
Chains: A, B
Length: 208 amino acids
Theoretical weight: 23.89 KDa
Source organism: Homo sapiens
Expression system: Cricetulus griseus
UniProt:
  • Canonical: P33681 (Residues: 35-242; Coverage: 82%)
Gene names: CD28LG, CD28LG1, CD80, LAB7
Sequence domains:
Structure domains: Immunoglobulins
Cytotoxic T-lymphocyte protein 4 Chains: C, D
Molecule details ›
Chains: C, D
Length: 126 amino acids
Theoretical weight: 13.48 KDa
Source organism: Homo sapiens
Expression system: Cricetulus griseus
UniProt:
  • Canonical: P16410 (Residues: 36-161; Coverage: 67%)
Gene names: CD152, CTLA4
Sequence domains: Immunoglobulin V-set domain
Structure domains: Immunoglobulins

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: C2221
Unit cell:
a: 88.6Å b: 183.238Å c: 230.726Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.229 0.229 0.257
Expression system: Cricetulus griseus