2ijx

X-ray diffraction
1.9Å resolution

Crystal structure of PCNA3 monomer from Sulfolobus solfataricus.

Released:
Primary publication:
Structures of monomeric, dimeric and trimeric PCNA: PCNA-ring assembly and opening.
Acta Crystallogr D Biol Crystallogr 64 941-9 (2008)
PMID: 18703842

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-157628 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
DNA polymerase sliding clamp 3 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 244 amino acids
Theoretical weight: 27.49 KDa
Source organism: Saccharolobus solfataricus P2
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P57765 (Residues: 1-244; Coverage: 100%)
Gene names: C41_016, SSO0405, pcn3, pcnA-1
Sequence domains:
Structure domains: Proliferating Cell Nuclear Antigen

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: P41212
Unit cell:
a: 85.773Å b: 85.773Å c: 264.21Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.205 0.204 0.251
Expression system: Escherichia coli BL21(DE3)