Potassium in PDB 6hef: Room Temperature Structure of the (Sr)CA2+-Atpase CA2-E1-Caamppcp Form

The structure of Room Temperature Structure of the (Sr)CA2+-Atpase CA2-E1-Caamppcp Form, PDB code: 6hef was solved by S.Hjorth-Jensen, T.L.M.Sorensen, E.Oksanen, J.L.Andersen, C.Olesen, J.V.Moller, P.Nissen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	45.04 / 3.54
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	165.840, 77.770, 152.220, 90.00, 109.28, 90.00
R / Rfree (%)	22.3 / 25.7

The structure of Room Temperature Structure of the (Sr)CA2+-Atpase CA2-E1-Caamppcp Form also contains other interesting chemical elements:

Calcium

(Ca)

3 atoms

The binding sites of Potassium atom in the Room Temperature Structure of the (Sr)CA2+-Atpase CA2-E1-Caamppcp Form (pdb code 6hef). 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 Room Temperature Structure of the (Sr)CA2+-Atpase CA2-E1-Caamppcp Form, PDB code: 6hef:

Potassium binding site 1 out of 1 in the Room Temperature Structure of the (Sr)CA2+-Atpase CA2-E1-Caamppcp Form


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Room Temperature Structure of the (Sr)CA2+-Atpase CA2-E1-Caamppcp Form within 5.0Å range: probe atom residue distance (Å) B Occ A:K1005 b:0.3 occ:1.00 O A:LYS712 3.1 66.2 1.0 O A:ALA714 3.7 66.5 1.0 OE2 A:GLU732 4.1 73.8 1.0 C A:LYS712 4.3 67.2 1.0 O A:LYS713 4.5 72.0 1.0 O A:GLU715 4.6 65.0 1.0 C A:LYS713 4.7 68.0 1.0 C A:ALA714 4.7 67.4 1.0 CA A:LYS713 4.9 67.6 1.0

T.L.M.Sorensen, S.J.Hjorth-Jensen, E.Oksanen, J.L.Andersen, C.Olesen, J.V.Moller, P.Nissen. Membrane-Protein Crystals For Neutron Diffraction. Acta Crystallogr D Struct V. 74 1208 2018BIOL.
ISSN: ISSN 2059-7983
PubMed: 30605135
DOI: 10.1107/S2059798318012561