› 1vpk

X-ray diffraction
2Å resolution

Crystal structure of DNA polymerase III, beta subunit (TM0262) from Thermotoga maritima at 2.00 A resolution

Released:
DOI: 10.2210/pdb1vpk/pdb
PDB entry 1vpk coloured by chain, front view.
PDB entry 1vpk coloured by chain, side view.
PDB entry 1vpk coloured by chain, top view.
Source organism: Thermotoga maritima MSB8
Entry author: Joint Center for Structural Genomics (JCSG)

Function and Biology Details

Reaction catalysed: 
Deoxynucleoside triphosphate + DNA(n) = diphosphate + DNA(n+1)
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-194484 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Beta sliding clamp Chain: A
Molecule details ›
Chain: A
Length: 378 amino acids
Theoretical weight: 42.45 KDa
Source organism: Thermotoga maritima MSB8
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9WYA0 (Residues: 1-366; Coverage: 100%)
Gene name: TM_0262
Sequence domains:
Structure domains: DNA Polymerase III, subunit A, domain 2

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.1
Spacegroup: P42212
Unit cell:
a: 91.702Å b: 91.702Å c: 111.463Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.198 0.196 0.232
Expression system: Escherichia coli

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