Arsenic in PDB 1eqz: X-Ray Structure of the Nucleosome Core Particle at 2.5 A Resolution

The structure of X-Ray Structure of the Nucleosome Core Particle at 2.5 A Resolution, PDB code: 1eqz was solved by B.L.Hanson, J.M.Harp, D.E.Timm, G.J.Bunick, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	25.34 / 2.50
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	105.280, 109.710, 181.120, 90.00, 90.00, 90.00
R / Rfree (%)	21.9 / 28.2

The structure of X-Ray Structure of the Nucleosome Core Particle at 2.5 A Resolution also contains other interesting chemical elements:

Potassium	(K)	7 atoms
Manganese	(Mn)	15 atoms
Chlorine	(Cl)	2 atoms

The binding sites of Arsenic atom in the X-Ray Structure of the Nucleosome Core Particle at 2.5 A Resolution (pdb code 1eqz). This binding sites where shown within 5.0 Angstroms radius around Arsenic atom.
In total only one binding site of Arsenic was determined in the X-Ray Structure of the Nucleosome Core Particle at 2.5 A Resolution, PDB code: 1eqz:

Arsenic binding site 1 out of 1 in the X-Ray Structure of the Nucleosome Core Particle at 2.5 A Resolution


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 1 of X-Ray Structure of the Nucleosome Core Particle at 2.5 A Resolution within 5.0Å range: probe atom residue distance (Å) B Occ G:As451 b:45.3 occ:1.00 AS G:CAC451 0.0 45.3 1.0 O1 G:CAC451 1.5 26.7 1.0 O2 G:CAC451 1.5 27.1 1.0 C2 G:CAC451 1.7 36.2 1.0 C1 G:CAC451 1.7 30.8 1.0 OD1 G:ASP77 2.6 17.9 1.0 CG G:ASP77 3.4 24.7 1.0 OD2 G:ASP77 3.6 21.7 1.0 OE1 G:GLN76 3.9 32.0 1.0 O H:LEU22 4.2 22.6 1.0 O G:GLU73 4.5 29.4 1.0 CB G:ASP77 4.7 22.4 1.0 CD G:GLN76 4.8 28.2 1.0 CA G:ASP77 4.8 19.7 1.0 CG G:GLU73 4.8 11.9 1.0 N G:ASP77 4.8 14.2 1.0 CG G:GLN76 4.9 28.9 1.0

J.M.Harp, B.L.Hanson, D.E.Timm, G.J.Bunick. Asymmetries in the Nucleosome Core Particle at 2.5 A Resolution. Acta Crystallogr.,Sect.D V. 56 1513 2000.
ISSN: ISSN 0907-4449
PubMed: 11092917
DOI: 10.1107/S0907444900011847