PDBe 1k1b

X-ray diffraction
1.9Å resolution

Crystal structure of the ankyrin repeat domain of Bcl-3: a unique member of the IkappaB protein family


Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
B-cell lymphoma 3 protein Chain: A
Molecule details ›
Chain: A
Length: 241 amino acids
Theoretical weight: 25.83 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P20749 (Residues: 127-367; Coverage: 53%)
Gene names: BCL3, BCL4, D19S37
Sequence domains: Ankyrin repeat
Structure domains: Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P21
Unit cell:
a: 31.35Å b: 50.907Å c: 59.495Å
α: 90° β: 102.04° γ: 90°
R R work R free
0.179 0.177 0.217
Expression system: Escherichia coli