Potassium in PDB 8pjl: Dna Duplex Forming Base Triplets in Minor Groove

The structure of Dna Duplex Forming Base Triplets in Minor Groove, PDB code: 8pjl was solved by A.Abdullrahman, C.J.Cardin, J.P.Hall, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	18.87 / 2.00
Space group	P 41
Cell size a, b, c (Å), α, β, γ (°)	39.833, 39.833, 58.964, 90, 90, 90
R / Rfree (%)	19.1 / 23.5

The structure of Dna Duplex Forming Base Triplets in Minor Groove also contains other interesting chemical elements:

Magnesium

(Mg)

4 atoms

The binding sites of Potassium atom in the Dna Duplex Forming Base Triplets in Minor Groove (pdb code 8pjl). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Dna Duplex Forming Base Triplets in Minor Groove, PDB code: 8pjl:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Dna Duplex Forming Base Triplets in Minor Groove


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Dna Duplex Forming Base Triplets in Minor Groove within 5.0Å range: probe atom residue distance (Å) B Occ A:K104 b:44.6 occ:1.00 O A:HOH234 2.7 48.7 1.0 O A:HOH205 2.7 31.5 1.0 O B:HOH217 2.8 30.9 1.0 O A:HOH208 2.9 36.7 1.0 O B:HOH231 3.1 51.6 1.0 H21 B:DG12 4.0 20.3 1.0 H5' A:DT5 4.1 24.6 1.0 H4' A:DG4 4.1 19.9 1.0 H1' A:DG4 4.1 26.1 1.0 O4' A:DG4 4.2 23.2 1.0 OP1 B:DA14 4.2 36.5 0.8 O A:HOH233 4.3 24.8 1.0 O A:HOH231 4.3 38.5 1.0 C4' A:DG4 4.7 16.5 1.0 C1' A:DG4 4.7 21.7 1.0 N2 B:DG12 4.7 16.9 1.0 O B:HOH212 4.7 27.2 1.0 H22 B:DG12 4.8 20.3 1.0 O3' A:DG4 4.8 23.1 1.0 C5' A:DT5 5.0 20.4 1.0

Potassium binding site 2 out of 2 in the Dna Duplex Forming Base Triplets in Minor Groove


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Dna Duplex Forming Base Triplets in Minor Groove within 5.0Å range: probe atom residue distance (Å) B Occ A:K105 b:91.7 occ:1.00 O A:HOH239 2.8 50.6 1.0 O A:HOH229 2.9 33.0 1.0 O A:HOH203 2.9 43.2 1.0 O A:HOH201 3.0 59.1 1.0 O B:HOH228 4.3 43.4 1.0

A.Abdullrahman, C.J.Cardin, J.P.Hall. Dna Duplex with Triplets Bases in Minor Groove To Be Published.