Potassium in PDB 4n4o: Nitrosomonas Europea Hao Soaked in NH2OH

All present enzymatic activity of Nitrosomonas Europea Hao Soaked in NH2OH:
1.7.2.6;

The structure of Nitrosomonas Europea Hao Soaked in NH2OH, PDB code: 4n4o was solved by W.J.Maalcke, A.Dietl, S.J.Marritt, J.N.Butt, M.S.M.Jetten, J.T.Keltjens, T.R.M.B.Barends, B.Kartal, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.95 / 2.47
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	140.090, 141.960, 106.480, 90.00, 90.00, 90.00
R / Rfree (%)	22.4 / 27.3

The structure of Nitrosomonas Europea Hao Soaked in NH2OH also contains other interesting chemical elements:

Iron

(Fe)

24 atoms

The binding sites of Potassium atom in the Nitrosomonas Europea Hao Soaked in NH2OH (pdb code 4n4o). 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 Nitrosomonas Europea Hao Soaked in NH2OH, PDB code: 4n4o:

Potassium binding site 1 out of 1 in the Nitrosomonas Europea Hao Soaked in NH2OH


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Nitrosomonas Europea Hao Soaked in NH2OH within 5.0Å range: probe atom residue distance (Å) B Occ A:K609 b:31.8 occ:1.00 OD1 C:ASP312 2.2 32.2 1.0 O A:HOH872 2.5 2.0 1.0 OD1 A:ASP312 2.6 32.5 1.0 OD2 E:ASP312 2.6 33.4 1.0 OD2 C:ASP312 2.6 32.8 1.0 CG C:ASP312 2.7 32.5 1.0 OD2 A:ASP312 3.2 32.4 1.0 CG A:ASP312 3.2 32.5 1.0 OD1 E:ASP312 3.3 33.5 1.0 CG E:ASP312 3.3 33.5 1.0 O E:HOH972 3.5 38.0 1.0 CB C:ASP312 4.2 32.8 1.0 O E:HOH939 4.4 42.0 1.0 CB A:ASP312 4.6 32.3 1.0 CB E:ASP312 4.7 33.5 1.0 CA C:ASP312 5.0 32.8 1.0

W.J.Maalcke, A.Dietl, S.J.Marritt, J.N.Butt, M.S.Jetten, J.T.Keltjens, T.R.Barends, B.Kartal. Structural Basis of Biological No Generation By Octaheme Oxidoreductases. J.Biol.Chem. V. 289 1228 2014.
ISSN: ISSN 0021-9258
PubMed: 24302732
DOI: 10.1074/JBC.M113.525147