Potassium in PDB 6m3v: 355 Bp Di-Nucleosome Harboring Cohesive Dna Termini

The structure of 355 Bp Di-Nucleosome Harboring Cohesive Dna Termini, PDB code: 6m3v was solved by Z.Adhireksan, D.Sharma, P.L.Lee, C.A.Davey, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.33 / 4.60
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	88.987, 228.970, 118.839, 90.00, 92.68, 90.00
R / Rfree (%)	20.5 / 26.1

The structure of 355 Bp Di-Nucleosome Harboring Cohesive Dna Termini also contains other interesting chemical elements:

Calcium

(Ca)

2 atoms

The binding sites of Potassium atom in the 355 Bp Di-Nucleosome Harboring Cohesive Dna Termini (pdb code 6m3v). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the 355 Bp Di-Nucleosome Harboring Cohesive Dna Termini, PDB code: 6m3v:

Potassium binding site 1 out of 1 in the 355 Bp Di-Nucleosome Harboring Cohesive Dna Termini


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of 355 Bp Di-Nucleosome Harboring Cohesive Dna Termini within 5.0Å range: probe atom residue distance (Å) B Occ I:K401 b:0.1 occ:1.00 O2 I:DC92 3.3 0.4 1.0 N3 J:DA261 4.0 0.2 1.0 C2 J:DA261 4.1 0.3 1.0 O4' J:DC262 4.2 0.8 1.0 C2 I:DC92 4.2 0.9 1.0 O4' I:DT93 4.2 0.3 1.0 C1' I:DC92 4.4 0.1 1.0 O4' I:DC92 4.5 1.0 1.0 C4' J:DC262 4.6 0.4 1.0 C4' I:DT93 4.7 0.6 1.0 N1 I:DC92 4.7 0.6 1.0 O2 I:DT91 4.8 0.9 1.0 O2 J:DC262 4.9 0.1 1.0 C5' I:DT93 4.9 0.9 1.0 N2 J:DG260 5.0 0.4 1.0

Z.Adhireksan, D.Sharma, P.L.Lee, C.A.Davey. Near-Atomic Resolution Structures of Interdigitated Nucleosome Fibres. Nat Commun V. 11 4747 2020.
ISSN: ESSN 2041-1723
PubMed: 32958761
DOI: 10.1038/S41467-020-18533-2