PDBe 3wgw

X-ray diffraction
2.8Å resolution

Function and Biology Details

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Proliferating cell nuclear antigen Chains: A, B
Molecule details ›
Chains: A, B
Length: 261 amino acids
Theoretical weight: 28.8 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P12004 (Residues: 1-261; Coverage: 100%)
Gene name: PCNA
Sequence domains:
Structure domains: Proliferating Cell Nuclear Antigen

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE AR-NE3A
Spacegroup: P4132
Unit cell:
a: 192.173Å b: 192.173Å c: 192.173Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.184 0.182 0.221
Expression system: Escherichia coli