› 1ud9

X-ray diffraction
1.68Å resolution

Crystal Structure of Proliferating Cell Nuclear Antigen (PCNA) Homolog From Sulfolobus tokodaii

Released:
DOI: 10.2210/pdb1ud9/pdb
PDB entry 1ud9 coloured by chain, front view.
PDB entry 1ud9 coloured by chain, side view.
PDB entry 1ud9 coloured by chain, top view.
Source organism: Sulfurisphaera tokodaii
Entry authors: Tanabe E, Yasutake Y, Tanaka Y, Yao M, Tsumoto K, Kumagai I, Tanaka I

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo trimer
Assembly name:
PDBe Complex ID:
PDB-CPX-188844 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
DNA polymerase sliding clamp 1 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 245 amino acids
Theoretical weight: 27.25 KDa
Source organism: Sulfurisphaera tokodaii
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q975N2 (Residues: 2-245; Coverage: 100%)
Gene names: STK_03870, pcn1, pcnA
Sequence domains:
Structure domains: Proliferating Cell Nuclear Antigen

Ligands and Environments

1 bound ligand:
Ligand ZN 23 x ZN
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: P21
Unit cell:
a: 79.4Å b: 75.44Å c: 88.14Å
α: 90° β: 98.83° γ: 90°
R-values:
R R work R free
0.202 0.202 0.238
Expression system: Escherichia coli BL21(DE3)

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