3p16

X-ray diffraction
2.89Å resolution

Crystal structure of DNA polymerase III sliding clamp

Released:
Model geometry
Fit model/data
Primary publication:
Crystal structure of DNA polymerase III β sliding clamp from Mycobacterium tuberculosis.
Biochem Biophys Res Commun 405 272-7 (2011)
PMID: 21219854

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-161887 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Beta sliding clamp Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 408 amino acids
Theoretical weight: 42.98 KDa
Source organism: Mycobacterium tuberculosis H37Rv
Expression system: Escherichia coli
UniProt:
  • Canonical: P9WNU1 (Residues: 1-402; Coverage: 100%)
Gene names: MTCY10H4.0, MTV029.02, Rv0002, dnaN
Sequence domains:
Structure domains: DNA Polymerase III, subunit A, domain 2

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: P21
Unit cell:
a: 88.05Å b: 132.974Å c: 113.777Å
α: 90° β: 109.05° γ: 90°
R-values:
R R work R free
0.261 0.26 0.287
Expression system: Escherichia coli