1z92

X-ray diffraction
2.8Å resolution

structure of interleukin-2 with its alpha receptor

Released:
Source organism: Homo sapiens

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-134427 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Interleukin-2 Chain: A
Molecule details ›
Chain: A
Length: 133 amino acids
Theoretical weight: 15.44 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P60568 (Residues: 21-153; Coverage: 100%)
Gene name: IL2
Sequence domains: Interleukin 2
Structure domains: Growth Hormone; Chain: A;
Interleukin-2 receptor subunit alpha Chain: B
Molecule details ›
Chain: B
Length: 219 amino acids
Theoretical weight: 24.77 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P01589 (Residues: 22-238; Coverage: 87%)
Gene name: IL2RA
Sequence domains: Sushi repeat (SCR repeat)
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P3221
Unit cell:
a: 85.46Å b: 85.46Å c: 114.33Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.251 0.233 0.28
Expression system: Trichoplusia ni