7k5q

X-ray diffraction
2Å resolution

Bst DNA polymerase I time-resolved structure, 8 min post dATP addition

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-121430 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
DNA polymerase I Chain: A
Molecule details ›
Chain: A
Length: 580 amino acids
Theoretical weight: 66.23 KDa
Source organism: Geobacillus stearothermophilus
Expression system: Escherichia coli
UniProt:
  • Canonical: E1C9K5 (Residues: 1-580; Coverage: 100%)
Gene name: polA
Sequence domains:
DNA (5'-D(P*G*CP*GP*AP*TP*CP*AP*CP*GP*T)-3') Chain: P
Molecule details ›
Chain: P
Length: 10 nucleotides
Theoretical weight: 3.05 KDa
Source organism: synthetic construct
Expression system: Not provided
DNA (5'-D(P*GP*TP*AP*CP*GP*TP*GP*AP*TP*CP*GP*CP*A)-3') Chain: T
Molecule details ›
Chain: T
Length: 16 nucleotides
Theoretical weight: 4.92 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.1
Spacegroup: P212121
Unit cell:
a: 88.2Å b: 93.988Å c: 105.724Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.195 0.194 0.246
Expression systems:
  • Escherichia coli
  • Not provided