X-ray diffraction
1.97Å resolution

Crystal structure of a two-quartet DNA mixed-parallel/antiparallel G-quadruplex

Source organism: Pseudorabies virus Ea
Entry authors: Zhang YS, Wei DG

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct DNA molecule
DNA (5'-D(*GP*GP*CP*TP*CP*GP*GP*CP*GP*GP*CP*GP*GP*A)-3') Chains: A, B
Molecule details ›
Chains: A, B
Length: 14 nucleotides
Theoretical weight: 4.36 KDa
Source organism: Pseudorabies virus Ea
Expression system: Not provided

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U1
Spacegroup: C2
Unit cell:
a: 48.654Å b: 46.807Å c: 36.843Å
α: 90° β: 110.32° γ: 90°
R R work R free
0.256 0.254 0.274
Expression system: Not provided