3ltq

X-ray diffraction
2.1Å resolution

Structure of Interleukin 1B solved by SAD using an inserted Lanthanide Binding Tag

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-134409 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Interleukin-1 beta Chain: A
Molecule details ›
Chain: A
Length: 171 amino acids
Theoretical weight: 19.48 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P01584 (Residues: 117-169, 170-269; Coverage: 57%)
Gene names: IL1B, IL1F2
Sequence domains: Interleukin-1 / 18
Structure domains: Trefoil (Acidic Fibroblast Growth Factor, subunit A)

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X12B
Spacegroup: P6322
Unit cell:
a: 120.584Å b: 120.584Å c: 74.899Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.195 0.192 0.221
Expression system: Escherichia coli BL21(DE3)