PDBe 3alb

X-ray diffraction
1.85Å resolution

Cyclic Lys48-linked tetraubiquitin

Released:
Source organism: Homo sapiens
Primary publication:
Crystal structure of cyclic Lys48-linked tetraubiquitin.
Biochem. Biophys. Res. Commun. 400 329-33 (2010)
PMID: 20728431

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ubiquitin Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 76 amino acids
Theoretical weight: 8.58 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P0CG48 (Residues: 609-684; Coverage: 11%)
Gene name: UBC
Sequence domains: Ubiquitin family
Structure domains: Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE AR-NW12A
Spacegroup: C2221
Unit cell:
a: 59.1Å b: 77.4Å c: 135.1Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.196 0.194 0.239
Expression system: Escherichia coli