› 8d79

X-ray diffraction
1.99Å resolution

Crystal structure of a four-tetrad, parallel, and Na+ stabilized Tetrahymena thermophila telomeric G-quadruplex in complex with N-methyl mesoporphyrin IX

Released:
DOI: 10.2210/pdb8d79/pdb
PDB entry 8d79 coloured by chain, front view.
PDB entry 8d79 coloured by chain, side view.
PDB entry 8d79 coloured by chain, top view.
Source organism: Tetrahymena thermophila
Entry authors: Chen EV, Beseiso D, Yatsunyk LA

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-219809 (preferred)
Entry contents:
1 distinct DNA molecule
Macromolecule:
DNA (5'-D(*TP*GP*GP*GP*GP*TP*TP*GP*GP*GP*GP*TP*TP*GP*GP*GP*GP*TP*TP*GP*GP*GP*GP*T)-3') Chain: A
Molecule details ›
Chain: A
Length: 24 nucleotides
Theoretical weight: 7.66 KDa
Source organism: Tetrahymena thermophila
Expression system: Not provided

Ligands and Environments

3 bound ligands:
Ligand NA 5 x NA
Ligand MMP 1 x MMP
Ligand MPD 2 x MPD
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-C
Spacegroup: C2
Unit cell:
a: 50.284Å b: 34.716Å c: 34.397Å
α: 90° β: 106.537° γ: 90°
R-values:
R R work R free
0.242 0.241 0.253
Expression system: Not provided

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