Potassium in PDB 5vf9: Native Human Manganese Superoxide Dismutase

All present enzymatic activity of Native Human Manganese Superoxide Dismutase:
1.15.1.1;

The structure of Native Human Manganese Superoxide Dismutase, PDB code: 5vf9 was solved by J.Azadmanesh, S.R.Trickel, G.E.O.Borgstahl, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	67.50 / 1.82
Space group	P 61 2 2
Cell size a, b, c (Å), α, β, γ (°)	78.240, 78.240, 238.470, 90.00, 90.00, 120.00
R / Rfree (%)	19.2 / 22.1

The structure of Native Human Manganese Superoxide Dismutase also contains other interesting chemical elements:

Manganese

(Mn)

2 atoms

The binding sites of Potassium atom in the Native Human Manganese Superoxide Dismutase (pdb code 5vf9). 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 Native Human Manganese Superoxide Dismutase, PDB code: 5vf9:

Potassium binding site 1 out of 1 in the Native Human Manganese Superoxide Dismutase


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Native Human Manganese Superoxide Dismutase within 5.0Å range: probe atom residue distance (Å) B Occ A:K203 b:22.9 occ:1.00 O A:HOH344 2.8 22.9 1.0 O A:GLY12 3.0 19.2 1.0 O A:HOH365 3.1 24.0 1.0 C A:GLY12 3.8 19.0 1.0 CA A:GLY12 4.5 18.7 1.0 OE1 A:GLU15 4.5 28.0 1.0 N A:ALA13 4.6 18.4 1.0 CA A:ALA13 4.8 18.2 1.0 O A:HOH311 4.8 22.9 1.0 CB A:GLU15 4.9 21.5 1.0

J.Azadmanesh, S.R.Trickel, G.E.O.Borgstahl. Substrate-Analog Binding and Electrostatic Surfaces of Human Manganese Superoxide Dismutase. J. Struct. Biol. V. 199 68 2017.
ISSN: ESSN 1095-8657
PubMed: 28461152
DOI: 10.1016/J.JSB.2017.04.011