› 3u8u

X-ray diffraction
2.15Å resolution

Crystal structure of Human Apurinic/Apyridinimic Endonuclease, Ape1 in a new crystal form

Released:
DOI: 10.2210/pdb3u8u/pdb
PDB entry 3u8u coloured by chain, front view.
PDB entry 3u8u coloured by chain, side view.
PDB entry 3u8u coloured by chain, top view.
Source organism: Homo sapiens
Entry authors: Agarwal R, Naidu MD

Function and Biology Details

Reaction catalysed: 
Exonucleolytic cleavage in the 3'- to 5'-direction to yield nucleoside 5'-phosphates
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-151054 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
DNA repair nuclease/redox regulator APEX1 Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 318 amino acids
Theoretical weight: 35.61 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P27695 (Residues: 1-318; Coverage: 100%)
Gene names: APE, APE1, APEX, APEX1, APX, HAP1, REF1
Sequence domains: Endonuclease/Exonuclease/phosphatase family
Structure domains: Endonuclease/exonuclease/phosphatase

Ligands and Environments

2 bound ligands:
Ligand MG 6 x MG
Ligand CL 4 x CL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X12C
Spacegroup: P21
Unit cell:
a: 95.84Å b: 97.284Å c: 132.15Å
α: 90° β: 90.91° γ: 90°
R-values:
R R work R free
0.2 0.198 0.243
Expression system: Escherichia coli

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