2o4g

X-ray diffraction
2.35Å resolution

Structure of TREX1 in complex with a nucleotide

Released:

Function and Biology Details

Reaction catalysed:
Exonucleolytic cleavage in the 3'- to 5'-direction to yield nucleoside 5'-phosphates
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-187588 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Three-prime repair exonuclease 1 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 247 amino acids
Theoretical weight: 27.17 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q91XB0 (Residues: 9-245; Coverage: 76%)
Gene name: Trex1
Structure domains: Ribonuclease H-like superfamily/Ribonuclease H

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P21
Unit cell:
a: 67.183Å b: 81.459Å c: 93.127Å
α: 90° β: 103.22° γ: 90°
R-values:
R R work R free
0.206 0.203 0.255
Expression system: Escherichia coli BL21