6ur9

X-ray diffraction
2.1Å resolution

DNA polymerase I Large Fragment from Bacillus stearothermophilus with DNA template, dideoxy primer, 3'-amino-ddGTP (nGTP), and Ca2+

Released:
Primary publication:
Synthesis of phosphoramidate-linked DNA by a modified DNA polymerase.
OpenAccess logo Proc Natl Acad Sci U S A 117 7276-7283 (2020)
PMID: 32188786

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-113000 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
DNA polymerase I Chains: A, D
Molecule details ›
Chains: A, D
Length: 579 amino acids
Theoretical weight: 66.07 KDa
Source organism: Geobacillus stearothermophilus
Expression system: Escherichia coli
UniProt:
  • Canonical: D9N168 (Residues: 1-579; Coverage: 100%)
Gene names: DPO1, polA
Sequence domains:
DNA (5'-D(*GP*CP*GP*AP*TP*CP*AP*GP*(DOC))-3') Chains: B, E
Molecule details ›
Chains: B, E
Length: 9 nucleotides
Theoretical weight: 2.72 KDa
Source organism: synthetic construct
Expression system: Not provided
DNA (5'-D(*CP*AP*CP*GP*CP*TP*GP*AP*TP*CP*GP*CP*A)-3') Chains: C, F
Molecule details ›
Chains: C, F
Length: 13 nucleotides
Theoretical weight: 3.94 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

3 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.2
Spacegroup: P212121
Unit cell:
a: 93.629Å b: 108.069Å c: 149.748Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.206 0.204 0.243
Expression systems:
  • Escherichia coli
  • Not provided