3tgx

X-ray diffraction
2.8Å resolution

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-190748 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (5 distinct):
Interleukin-21 receptor Chains: A, C, E, G, I, K, M, O
Molecule details ›
Chains: A, C, E, G, I, K, M, O
Length: 219 amino acids
Theoretical weight: 25.45 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q9HBE5 (Residues: 20-232; Coverage: 41%)
Gene names: IL21R, NILR, UNQ3121/PRO10273
Structure domains: Immunoglobulins
Interleukin-21 Chains: B, D, F, H, J, L, N, P
Molecule details ›
Chains: B, D, F, H, J, L, N, P
Length: 134 amino acids
Theoretical weight: 15.62 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9HBE4 (Residues: 30-162; Coverage: 96%)
Gene name: IL21
Sequence domains: Interleukin 15
Structure domains: Interleukin-15/Interleukin-21

Ligands and Environments

Carbohydrate polymer : NEW Components: MAN, NAG, BMA, FUL
Carbohydrate polymer : NEW Components: MAN, NAG, BMA, FUL
Carbohydrate polymer : NEW Components: MAN, NAG, BMA, FUC
3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06DA
Spacegroup: P212121
Unit cell:
a: 82.23Å b: 151.12Å c: 364.82Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.244 0.242 0.273
Expression systems:
  • Homo sapiens
  • Escherichia coli