1ig9

X-ray diffraction
2.6Å resolution

Structure of the Replicating Complex of a Pol Alpha Family DNA Polymerase

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-113959 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
DNA-directed DNA polymerase Chain: A
Molecule details ›
Chain: A
Length: 903 amino acids
Theoretical weight: 104.66 KDa
Source organism: Escherichia phage RB69
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q38087 (Residues: 1-903; Coverage: 100%)
Gene name: 43
Sequence domains:
Structure domains:
5'-D(*AP*CP*AP*GP*GP*TP*AP*AP*GP*CP*AP*GP*TP*CP*CP*GP*CP*G)-3' Chain: T
Molecule details ›
Chain: T
Length: 18 nucleotides
Theoretical weight: 5.55 KDa
Source organism: Escherichia phage RB69
Expression system: Not provided
5'-D(*GP*CP*GP*GP*AP*CP*TP*GP*CP*TP*TP*AP*CP*(DOC))-3' Chain: P
Molecule details ›
Chain: P
Length: 14 nucleotides
Theoretical weight: 4.24 KDa
Source organism: Escherichia phage RB69
Expression system: Not provided

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P212121
Unit cell:
a: 80.787Å b: 118.602Å c: 127.997Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.197 0.197 0.258
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided