Potassium in PDB 6la9: 349 Bp Di-Nucleosome Harboring Cohesive Dna Termini Assembled with Linker Histone H1.0 (High Cryoprotectant)

The structure of 349 Bp Di-Nucleosome Harboring Cohesive Dna Termini Assembled with Linker Histone H1.0 (High Cryoprotectant), PDB code: 6la9 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)	91.78 / 3.70
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	120.780, 172.880, 216.041, 90.00, 90.00, 90.00
R / Rfree (%)	19.4 / 26.6

The structure of 349 Bp Di-Nucleosome Harboring Cohesive Dna Termini Assembled with Linker Histone H1.0 (High Cryoprotectant) also contains other interesting chemical elements:

Calcium

(Ca)

40 atoms

The binding sites of Potassium atom in the 349 Bp Di-Nucleosome Harboring Cohesive Dna Termini Assembled with Linker Histone H1.0 (High Cryoprotectant) (pdb code 6la9). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the 349 Bp Di-Nucleosome Harboring Cohesive Dna Termini Assembled with Linker Histone H1.0 (High Cryoprotectant), PDB code: 6la9:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the 349 Bp Di-Nucleosome Harboring Cohesive Dna Termini Assembled with Linker Histone H1.0 (High Cryoprotectant)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of 349 Bp Di-Nucleosome Harboring Cohesive Dna Termini Assembled with Linker Histone H1.0 (High Cryoprotectant) within 5.0Å range: probe atom residue distance (Å) B Occ I:K416 b:0.4 occ:1.00 C5' J:DC123 4.1 0.8 1.0 N3 J:DA122 4.3 0.2 1.0 N3 I:DA225 4.3 0.0 1.0 O4' I:DG226 4.5 0.6 1.0 C2 I:DA225 4.5 1.0 1.0 C4' J:DC123 4.5 0.5 1.0 O4' J:DC123 4.5 0.1 1.0 C5' I:DA227 4.6 0.1 1.0 O4' I:DA227 4.6 0.9 1.0 O2 J:DT121 4.6 0.3 1.0 C2 J:DA122 4.6 0.9 1.0 N3 I:DG226 4.7 0.8 1.0 C4' I:DG226 4.7 0.2 1.0 C4' I:DA227 4.9 0.2 1.0

Potassium binding site 2 out of 2 in the 349 Bp Di-Nucleosome Harboring Cohesive Dna Termini Assembled with Linker Histone H1.0 (High Cryoprotectant)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of 349 Bp Di-Nucleosome Harboring Cohesive Dna Termini Assembled with Linker Histone H1.0 (High Cryoprotectant) within 5.0Å range: probe atom residue distance (Å) B Occ J:K416 b:0.1 occ:1.00 O4' J:DA226 3.9 0.8 1.0 N3 J:DA226 4.0 0.3 1.0 O4' J:DG227 4.2 0.1 1.0 C5' I:DC123 4.3 0.2 1.0 C1' J:DA226 4.4 0.3 1.0 C4' J:DA226 4.6 0.2 1.0 C2 J:DA225 4.6 0.6 1.0 O4' I:DA122 4.6 0.7 1.0 O2 I:DT121 4.7 1.0 1.0 N3 J:DA225 4.7 0.7 1.0 C2 J:DA226 4.8 0.1 1.0 C4' J:DG227 4.8 0.3 1.0 C1' J:DG227 4.8 0.2 1.0 C4 J:DA226 4.9 0.2 1.0 N3 I:DA122 5.0 0.7 1.0 O3' J:DA226 5.0 0.2 1.0 C4' I:DC123 5.0 0.0 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