Potassium in PDB 4p1d: Structure of the Complex of A Bimolecular Human Telomeric Dna with Coptisine

The structure of Structure of the Complex of A Bimolecular Human Telomeric Dna with Coptisine, PDB code: 4p1d was solved by M.Ferraroni, C.Bazzicalupi, P.Gratteri, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	35.20 / 1.55
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	41.567, 41.567, 66.157, 90.00, 90.00, 90.00
R / Rfree (%)	23.2 / 25.9

The binding sites of Potassium atom in the Structure of the Complex of A Bimolecular Human Telomeric Dna with Coptisine (pdb code 4p1d). 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 Complex of A Bimolecular Human Telomeric Dna with Coptisine, PDB code: 4p1d:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Structure of the Complex of A Bimolecular Human Telomeric Dna with Coptisine


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 Complex of A Bimolecular Human Telomeric Dna with Coptisine within 5.0Å range: probe atom residue distance (Å) B Occ A:K101 b:18.2 occ:1.00 O6 A:DG5 2.6 19.8 1.0 O6 B:DG17 2.6 20.9 1.0 O6 B:DG23 2.7 18.8 1.0 O6 A:DG11 2.8 19.9 1.0 O6 B:DG16 2.8 17.7 1.0 O6 A:DG10 2.9 17.1 1.0 O6 A:DG4 2.9 16.7 1.0 O6 B:DG22 2.9 16.1 1.0 C6 B:DG23 3.6 17.0 1.0 C6 A:DG5 3.6 18.5 1.0 C6 B:DG16 3.6 19.0 1.0 K A:K102 3.6 18.1 1.0 C6 B:DG17 3.6 18.6 1.0 C6 A:DG10 3.7 19.4 1.0 C6 A:DG11 3.7 22.3 1.0 C6 A:DG4 3.7 20.2 1.0 C6 B:DG22 3.8 18.3 1.0 N1 B:DG23 3.9 20.4 1.0 N1 B:DG17 3.9 19.5 1.0 N1 A:DG5 3.9 19.9 1.0 N1 B:DG16 3.9 20.2 1.0 N1 A:DG10 4.0 19.7 1.0 N1 A:DG11 4.0 24.0 1.0 N1 A:DG4 4.0 19.5 1.0 N1 B:DG22 4.1 18.6 1.0 C9 A:KPT103 4.5 19.6 1.0 N A:KPT103 4.7 20.2 1.0 C5 B:DG16 4.8 21.5 1.0 C5 A:DG10 4.9 20.1 1.0 C5 B:DG23 4.9 19.8 1.0 C5 A:DG5 4.9 19.9 1.0 C5 A:DG4 4.9 19.3 1.0 C5 B:DG22 4.9 18.4 1.0 C5 B:DG17 4.9 19.2 1.0 C10 A:KPT103 5.0 19.3 1.0

Potassium binding site 2 out of 2 in the Structure of the Complex of A Bimolecular Human Telomeric Dna with Coptisine


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 Complex of A Bimolecular Human Telomeric Dna with Coptisine within 5.0Å range: probe atom residue distance (Å) B Occ A:K102 b:18.1 occ:1.00 O6 A:DG3 2.6 21.8 1.0 O6 B:DG15 2.7 20.6 1.0 O6 A:DG9 2.7 20.6 1.0 O6 B:DG21 2.7 19.4 1.0 O6 A:DG10 2.9 17.1 1.0 O6 A:DG4 2.9 16.7 1.0 O6 B:DG22 2.9 16.1 1.0 O6 B:DG16 2.9 17.7 1.0 C6 B:DG15 3.5 18.8 1.0 C6 A:DG3 3.5 21.8 1.0 C6 A:DG9 3.6 20.2 1.0 C6 B:DG21 3.6 20.0 1.0 K A:K101 3.6 18.2 1.0 N1 B:DG15 3.8 17.9 1.0 C6 A:DG4 3.8 20.2 1.0 C6 B:DG22 3.8 18.3 1.0 C6 A:DG10 3.8 19.4 1.0 C6 B:DG16 3.8 19.0 1.0 N1 A:DG3 3.8 21.6 1.0 N1 A:DG9 3.9 20.3 1.0 N1 B:DG21 3.9 20.3 1.0 N1 A:DG4 4.1 19.5 1.0 N1 B:DG22 4.1 18.6 1.0 N1 A:DG10 4.1 19.7 1.0 N1 B:DG16 4.1 20.2 1.0 N6 A:DA2 4.2 20.1 1.0 C5 B:DG15 4.7 20.3 1.0 C5 B:DG21 4.8 20.2 1.0 C5 A:DG3 4.8 22.1 1.0 C5 A:DG9 4.9 21.2 1.0 C6 A:DA2 4.9 19.8 1.0 C5 A:DG4 5.0 19.3 1.0 C5 A:DG10 5.0 20.1 1.0 C5 B:DG22 5.0 18.4 1.0

M.Ferraroni, C.Bazzicalupi, P.Gratteri, A.R.Bilia, C.Sissi. Crystal Structure of the Complex of A Bimolecular Human Telomeric Dna with Coptisine To Be Published.