Potassium in PDB 3qcr: Incomplete Structural Model of A Human Telomeric Dna Quadruplex- Acridine Complex.

The structure of Incomplete Structural Model of A Human Telomeric Dna Quadruplex- Acridine Complex., PDB code: 3qcr was solved by G.W.Collie, S.Neidle, G.N.Parkinson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	9.96 / 3.20
Space group	P 62 2 2
Cell size a, b, c (Å), α, β, γ (°)	71.674, 71.674, 29.370, 90.00, 90.00, 120.00
R / Rfree (%)	34.4 / 37.8

The binding sites of Potassium atom in the Incomplete Structural Model of A Human Telomeric Dna Quadruplex- Acridine Complex. (pdb code 3qcr). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Incomplete Structural Model of A Human Telomeric Dna Quadruplex- Acridine Complex., PDB code: 3qcr:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Incomplete Structural Model of A Human Telomeric Dna Quadruplex- Acridine Complex.


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Incomplete Structural Model of A Human Telomeric Dna Quadruplex- Acridine Complex. within 5.0Å range: probe atom residue distance (Å) B Occ A:K13 b:20.0 occ:0.50 O6 A:DG4 2.5 20.0 1.0 K A:K14 2.7 20.0 0.5 O6 A:DG5 3.3 20.0 1.0 C6 A:DG4 3.5 20.0 1.0 O6 A:DG10 3.6 20.0 1.0 N1 A:DG4 3.8 20.0 1.0 O6 A:DG11 3.9 20.0 1.0 O6 A:DG3 3.9 20.0 1.0 C6 A:DG5 4.3 20.0 1.0 N1 A:DG10 4.4 20.0 1.0 C6 A:DG10 4.4 20.0 1.0 N1 A:DG11 4.6 20.0 1.0 C6 A:DG3 4.6 20.0 1.0 C6 A:DG11 4.7 20.0 1.0 C5 A:DG4 4.7 20.0 1.0 N1 A:DG5 4.8 20.0 1.0 O6 A:DG9 4.8 20.0 1.0 N1 A:DG3 4.9 20.0 1.0

Potassium binding site 2 out of 2 in the Incomplete Structural Model of A Human Telomeric Dna Quadruplex- Acridine Complex.


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Incomplete Structural Model of A Human Telomeric Dna Quadruplex- Acridine Complex. within 5.0Å range: probe atom residue distance (Å) B Occ A:K14 b:20.0 occ:0.50 O6 A:DG3 2.4 20.0 1.0 K A:K13 2.7 20.0 0.5 O6 A:DG9 2.9 20.0 1.0 O6 A:DG4 3.3 20.0 1.0 C6 A:DG3 3.4 20.0 1.0 O6 A:DG10 3.7 20.0 1.0 N1 A:DG3 3.7 20.0 1.0 C6 A:DG9 4.0 20.0 1.0 C6 A:DG4 4.1 20.0 1.0 N1 A:DG4 4.3 20.0 1.0 N1 A:DG9 4.4 20.0 1.0 N1 A:DG10 4.4 20.0 1.0 C6 A:DG10 4.4 20.0 1.0 C5 A:DG3 4.7 20.0 1.0

G.W.Collie, S.Sparapani, G.N.Parkinson, S.Neidle. Structural Basis of Telomeric Rna Quadruplex-Acridine Ligand Recognition. J.Am.Chem.Soc. V. 133 2721 2011.
ISSN: ISSN 0002-7863
PubMed: 21291211
DOI: 10.1021/JA109767Y