2ido

X-ray diffraction
2.1Å resolution

Structure of the E. coli Pol III epsilon-Hot proofreading complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-136457 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
DNA polymerase III subunit epsilon Chains: A, C
Molecule details ›
Chains: A, C
Length: 186 amino acids
Theoretical weight: 20.74 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P03007 (Residues: 1-186; Coverage: 77%)
Gene names: JW0205, b0215, dnaQ, mutD
Sequence domains: Exonuclease
Structure domains: Ribonuclease H-like superfamily/Ribonuclease H
Hot Chains: B, D
Molecule details ›
Chains: B, D
Length: 83 amino acids
Theoretical weight: 9.71 KDa
Source organism: Punavirus P1
Expression system: Escherichia coli
UniProt:
  • Canonical: Q71T70 (Residues: 5-87; Coverage: 95%)
Gene name: hot
Sequence domains: DNA polymerase III, theta subunit
Structure domains: DNA polymerase III-theta

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P43212
Unit cell:
a: 77.289Å b: 77.289Å c: 212.978Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.209 0.206 0.244
Expression systems:
  • Escherichia coli BL21(DE3)
  • Escherichia coli