Atomistry » Potassium » PDB 1k4d-1m40 » 1k8p
Atomistry »
  Potassium »
    PDB 1k4d-1m40 »
      1k8p »

Potassium in PDB 1k8p: Structure of the Human G-Quadruplex Reveals A Novel Topology

Protein crystallography data

The structure of Structure of the Human G-Quadruplex Reveals A Novel Topology, PDB code: 1k8p was solved by G.N.Parkinson, M.P.H.Lee, S.Neidle, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 10.00 / 2.40
Space group P 31 2 1
Cell size a, b, c (Å), α, β, γ (°) 56.607, 56.607, 40.546, 90.00, 90.00, 120.00
R / Rfree (%) 19.3 / 28

Other elements in 1k8p:

The structure of Structure of the Human G-Quadruplex Reveals A Novel Topology also contains other interesting chemical elements:

Bromine (Br) 4 atoms
Sodium (Na) 1 atom

Potassium Binding Sites:

The binding sites of Potassium atom in the Structure of the Human G-Quadruplex Reveals A Novel Topology (pdb code 1k8p). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Structure of the Human G-Quadruplex Reveals A Novel Topology, PDB code: 1k8p:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in 1k8p

Go back to Potassium Binding Sites List in 1k8p
Potassium binding site 1 out of 2 in the Structure of the Human G-Quadruplex Reveals A Novel Topology


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of the Human G-Quadruplex Reveals A Novel Topology within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K25

b:43.7
occ:1.00
O6 A:DG5 2.4 30.4 1.0
O6 A:DG11 2.5 47.6 1.0
O6 A:DG4 2.6 42.9 1.0
O6 B:DG17 2.7 61.1 1.0
O6 A:DG10 2.8 39.5 1.0
O6 B:DG23 2.8 46.0 1.0
O6 B:DG22 2.9 51.8 1.0
O6 B:DG16 3.0 61.6 1.0
C6 A:DG5 3.4 44.0 1.0
K A:K26 3.5 42.1 1.0
C6 A:DG4 3.5 42.9 1.0
C6 A:DG11 3.5 40.5 1.0
C6 B:DG22 3.6 50.4 1.0
C6 A:DG10 3.6 35.3 1.0
C6 B:DG23 3.7 50.3 1.0
C6 B:DG17 3.7 60.0 1.0
N1 B:DG22 3.7 43.3 1.0
C6 B:DG16 3.8 55.6 1.0
N1 A:DG5 3.8 40.8 1.0
N1 B:DG23 3.8 44.7 1.0
N1 A:DG4 3.8 43.3 1.0
N1 A:DG11 3.8 42.1 1.0
N1 A:DG10 3.9 35.0 1.0
N1 B:DG17 3.9 57.2 1.0
N1 B:DG16 4.1 54.5 1.0
C5 A:DG4 4.7 47.6 1.0
C5 A:DG5 4.8 38.5 1.0
C5 B:DG22 4.8 55.2 1.0
C5 A:DG10 4.8 30.4 1.0
C5 A:DG11 4.9 41.7 1.0
C5 B:DG16 4.9 52.0 1.0
C2 B:DG22 5.0 45.4 1.0

Potassium binding site 2 out of 2 in 1k8p

Go back to Potassium Binding Sites List in 1k8p
Potassium binding site 2 out of 2 in the Structure of the Human G-Quadruplex Reveals A Novel Topology


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structure of the Human G-Quadruplex Reveals A Novel Topology within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K26

b:42.1
occ:1.00
O6 B:DG16 2.6 61.6 1.0
O6 A:DG9 2.7 34.3 1.0
O6 A:DG3 2.8 49.4 1.0
O6 A:DG4 2.8 42.9 1.0
O6 A:DG10 2.9 39.5 1.0
O6 B:DG21 2.9 50.7 1.0
O6 B:DG22 2.9 51.8 1.0
O6 B:DG15 2.9 35.5 1.0
K A:K25 3.5 43.7 1.0
C6 A:DG9 3.5 35.7 1.0
C6 A:DG3 3.6 45.0 1.0
C6 B:DG16 3.6 55.6 1.0
C6 A:DG4 3.7 42.9 1.0
C6 A:DG10 3.7 35.3 1.0
C6 B:DG22 3.7 50.4 1.0
C6 B:DG21 3.8 51.1 1.0
N1 A:DG3 3.8 35.4 1.0
C6 B:DG15 3.8 45.2 1.0
N1 A:DG9 3.8 42.5 1.0
N1 A:DG4 3.9 43.3 1.0
N1 B:DG21 3.9 53.1 1.0
N1 A:DG10 4.0 35.0 1.0
N1 B:DG22 4.0 43.3 1.0
N1 B:DG16 4.0 54.5 1.0
N1 B:DG15 4.2 41.1 1.0
C5 A:DG3 4.8 42.7 1.0
C5 A:DG9 4.8 32.5 1.0
C5 A:DG4 4.8 47.6 1.0
C5 B:DG16 4.8 52.0 1.0
C5 B:DG15 4.9 46.1 1.0
C5 A:DG10 4.9 30.4 1.0
C5 B:DG22 5.0 55.2 1.0
C2 A:DG3 5.0 41.4 1.0

Reference:

G.N.Parkinson, M.P.Lee, S.Neidle. Crystal Structure of Parallel Quadruplexes From Human Telomeric Dna. Nature V. 417 876 2002.
ISSN: ISSN 0028-0836
PubMed: 12050675
DOI: 10.1038/NATURE755
Page generated: Sun Dec 13 22:47:26 2020

Last articles

Zn in 8WB0
Zn in 8WAX
Zn in 8WAU
Zn in 8WAZ
Zn in 8WAY
Zn in 8WAV
Zn in 8WAW
Zn in 8WAT
Zn in 8W7M
Zn in 8WD3
© Copyright 2008-2020 by atomistry.com
Home   |    Site Map   |    Copyright   |    Contact us   |    Privacy