› 1j8g

X-ray diffraction
0.61Å resolution

X-ray Analysis of a RNA Tetraplex r(uggggu)4 at Ultra-High Resolution

Released:
DOI: 10.2210/pdb1j8g/pdb
PDB entry 1j8g coloured by chain, front view.
PDB entry 1j8g coloured by chain, side view.
PDB entry 1j8g coloured by chain, top view.
Source organism: Synthetic construct
Primary publication:
X-ray analysis of an RNA tetraplex (UGGGGU)(4) with divalent Sr(2+) ions at subatomic resolution (0.61 A).
Deng J, Xiong Y, Sundaralingam M
Proc Natl Acad Sci U S A 98 13665-70 (2001)
PMID: 11707581

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-196063 (preferred)
Entry contents:
1 distinct RNA molecule
Macromolecule:
5'-R(*UP*GP*GP*GP*GP*U)-3' Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 6 nucleotides
Theoretical weight: 1.95 KDa
Source organism: Synthetic construct
Expression system: Not provided

Ligands and Environments

4 bound ligands:
Ligand SPM 1 x SPM
Ligand SR 8 x SR
Ligand CA 3 x CA
Ligand NA 2 x NA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 14-BM-D
Spacegroup: P4212
Unit cell:
a: 36.154Å b: 36.154Å c: 74.134Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.103 0.103 0.112
Expression system: Not provided

Quick links

Citations

13 review citations

Quadruplex DNA: sequence, topology and structure.
Burge et al. (2006)
12 more

13 mentions without citation

Metal Cations in G-Quadruplex Folding and Stability.
Bhattacharyya et al. (2016)
12 more