4xk0

X-ray diffraction
1.08Å resolution

Crystal structure of a tetramolecular RNA G-quadruplex in potassium

Released:
Source organism: synthetic construct
Entry authors: Chen MC, Murat P, Abecassis KA, Ferre-D'Amare AR, Balasubramanian S

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo octamer (preferred)
Entry contents:
1 distinct RNA molecule
Macromolecule:
RNA (5'-(*UP*GP*GP*GP*GP*U)-3') Chains: A, C
Molecule details ›
Chains: A, C
Length: 6 nucleotides
Theoretical weight: 1.95 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P4212
Unit cell:
a: 33.133Å b: 33.133Å c: 54.843Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.144 0.144 0.144
Expression system: Not provided