4q5v

X-ray diffraction
2.52Å resolution

Crystal structure of the catalytic core of human DNA polymerase alpha in ternary complex with an RNA-primed DNA template and aphidicolin

Released:
Source organism: Homo sapiens
Primary publication:
Structural basis for inhibition of DNA replication by aphidicolin.
Nucleic Acids Res 42 14013-21 (2014)
PMID: 25429975

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-118008 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
1 distinct RNA molecule
Macromolecules (3 distinct):
DNA polymerase alpha catalytic subunit Chains: A, E
Molecule details ›
Chains: A, E
Length: 922 amino acids
Theoretical weight: 105.58 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P09884 (Residues: 336-1257; Coverage: 63%)
Gene names: POLA, POLA1
Sequence domains:
Structure domains:
DNA template Chains: C, G
Molecule details ›
Chains: C, G
Length: 21 nucleotides
Theoretical weight: 6.42 KDa
Source organism: Homo sapiens
Expression system: Not provided
RNA primer Chains: B, F
Molecule details ›
Chains: B, F
Length: 11 nucleotides
Theoretical weight: 3.52 KDa
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-C
Spacegroup: P212121
Unit cell:
a: 105.051Å b: 116.432Å c: 233.026Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.233 0.233 0.268
Expression systems:
  • Spodoptera frugiperda
  • Not provided