Potassium in PDB 6gz6: Structure of A Left-Handed G-Quadruplex

The structure of Structure of A Left-Handed G-Quadruplex, PDB code: 6gz6 was solved by B.Bakalar, B.Heddi, E.Schmitt, Y.Mechulam, A.T.Phan, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.93 / 2.01
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	29.570, 37.630, 54.280, 90.00, 90.00, 90.00
R / Rfree (%)	18.5 / 23.1

The binding sites of Potassium atom in the Structure of A Left-Handed G-Quadruplex (pdb code 6gz6). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Structure of A Left-Handed G-Quadruplex, PDB code: 6gz6:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in the Structure of A Left-Handed G-Quadruplex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of A Left-Handed G-Quadruplex within 5.0Å range: probe atom residue distance (Å) B Occ A:K101 b:21.9 occ:1.00 O6 A:DG26 2.7 24.0 1.0 O6 A:DG15 2.8 25.3 1.0 O6 A:DG17 2.8 25.7 1.0 O6 A:DG18 2.9 22.6 1.0 O6 A:DG20 2.9 23.6 1.0 O6 A:DG23 2.9 23.3 1.0 O6 A:DG24 3.0 22.8 1.0 O6 A:DG21 3.0 24.2 1.0 K A:K103 3.6 21.9 1.0 C6 A:DG17 3.6 25.7 1.0 C6 A:DG26 3.6 25.4 1.0 C6 A:DG20 3.6 23.3 1.0 C6 A:DG23 3.7 22.6 1.0 C6 A:DG15 3.7 23.5 1.0 C6 A:DG18 3.8 23.0 1.0 N1 A:DG20 3.8 24.2 1.0 C6 A:DG24 3.8 22.3 1.0 N1 A:DG23 3.9 22.2 1.0 C6 A:DG21 3.9 24.6 1.0 N1 A:DG17 3.9 23.8 1.0 N1 A:DG26 3.9 24.6 1.0 N1 A:DG24 4.0 21.8 1.0 N1 A:DG15 4.1 23.2 1.0 N1 A:DG18 4.1 24.6 1.0 N1 A:DG21 4.2 24.2 1.0 C5 A:DG15 4.8 21.4 1.0 C5 A:DG17 4.9 24.9 1.0 C5 A:DG20 4.9 26.0 1.0 C5 A:DG23 4.9 25.1 1.0 C5 A:DG26 4.9 25.3 1.0 C5 A:DG18 4.9 23.7 1.0

Potassium binding site 2 out of 3 in the Structure of A Left-Handed G-Quadruplex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structure of A Left-Handed G-Quadruplex within 5.0Å range: probe atom residue distance (Å) B Occ A:K102 b:22.5 occ:1.00 O6 A:DG1 2.8 24.4 1.0 O6 A:DG10 2.9 24.1 1.0 O6 A:DG7 2.9 22.3 1.0 O6 A:DG4 2.9 24.6 1.0 O6 A:DG12 2.9 26.3 1.0 O6 A:DG6 2.9 27.3 1.0 O6 A:DG9 2.9 27.4 1.0 O6 A:DG3 3.0 26.8 1.0 K A:K103 3.5 21.9 1.0 C6 A:DG9 3.6 25.1 1.0 C6 A:DG6 3.7 24.9 1.0 C6 A:DG12 3.7 25.3 1.0 C6 A:DG1 3.7 22.8 1.0 C6 A:DG3 3.7 22.9 1.0 N1 A:DG9 3.7 23.9 1.0 C6 A:DG10 3.7 23.8 1.0 C6 A:DG7 3.8 21.8 1.0 C6 A:DG4 3.8 24.4 1.0 N1 A:DG6 3.9 23.3 1.0 N1 A:DG3 3.9 22.3 1.0 N1 A:DG12 3.9 23.7 1.0 N1 A:DG1 4.0 21.5 1.0 N1 A:DG10 4.0 22.4 1.0 N1 A:DG7 4.1 21.8 1.0 N1 A:DG4 4.2 24.1 1.0 C5 A:DG9 4.8 24.1 1.0 C5 A:DG6 4.9 23.3 1.0 C5 A:DG12 4.9 24.8 1.0 C5 A:DG3 4.9 22.3 1.0 C5 A:DG1 4.9 23.8 1.0 C2 A:DG9 4.9 25.1 1.0 C5 A:DG10 5.0 23.5 1.0 C5 A:DG7 5.0 24.0 1.0

Potassium binding site 3 out of 3 in the Structure of A Left-Handed G-Quadruplex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Structure of A Left-Handed G-Quadruplex within 5.0Å range: probe atom residue distance (Å) B Occ A:K103 b:21.9 occ:1.00 O6 A:DG18 2.8 22.6 1.0 O6 A:DG7 2.8 22.3 1.0 O6 A:DG21 2.9 24.2 1.0 O6 A:DG15 2.9 25.3 1.0 O6 A:DG10 2.9 24.1 1.0 O6 A:DG4 2.9 24.6 1.0 O6 A:DG24 3.0 22.8 1.0 O6 A:DG1 3.0 24.4 1.0 K A:K102 3.5 22.5 1.0 K A:K101 3.6 21.9 1.0 C6 A:DG7 3.6 21.8 1.0 C6 A:DG18 3.6 23.0 1.0 C6 A:DG10 3.7 23.8 1.0 C6 A:DG15 3.7 23.5 1.0 C6 A:DG4 3.7 24.4 1.0 C6 A:DG21 3.7 24.6 1.0 C6 A:DG24 3.8 22.3 1.0 C6 A:DG1 3.8 22.8 1.0 N1 A:DG7 3.9 21.8 1.0 N1 A:DG18 4.0 24.6 1.0 N1 A:DG10 4.0 22.4 1.0 N1 A:DG24 4.0 21.8 1.0 N1 A:DG15 4.0 23.2 1.0 N1 A:DG1 4.0 21.5 1.0 N1 A:DG4 4.0 24.1 1.0 N1 A:DG21 4.1 24.2 1.0 C5 A:DG7 4.8 24.0 1.0 C5 A:DG18 4.8 23.7 1.0 C5 A:DG10 4.9 23.5 1.0 C5 A:DG15 4.9 21.4 1.0 C5 A:DG4 4.9 24.9 1.0 C5 A:DG21 4.9 26.1 1.0

B.Bakalar, B.Heddi, E.Schmitt, Y.Mechulam, A.T.Phan. A Minimal Sequence For Left-Handed G-Quadruplex Formation. Angew.Chem.Int.Ed.Engl. V. 58 2331 2019.
ISSN: ESSN 1521-3773
PubMed: 30481397
DOI: 10.1002/ANIE.201812628