Potassium in PDB 3n8g: Structure of the (Sr)CA2+-Atpase CA2-E1-Caamppcp Form

All present enzymatic activity of Structure of the (Sr)CA2+-Atpase CA2-E1-Caamppcp Form:
3.6.3.8;

The structure of Structure of the (Sr)CA2+-Atpase CA2-E1-Caamppcp Form, PDB code: 3n8g was solved by M.Bublitz, C.Olesen, H.Poulsen, J.P.Morth, J.V.Moller, P.Nissen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.13 / 2.58
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	162.000, 76.000, 151.000, 90.00, 108.00, 90.00
R / Rfree (%)	20.2 / 24.5

The structure of 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 Structure of the (Sr)CA2+-Atpase CA2-E1-Caamppcp Form (pdb code 3n8g). 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 Structure of the (Sr)CA2+-Atpase CA2-E1-Caamppcp Form, PDB code: 3n8g:

Potassium binding site 1 out of 1 in the 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 Structure of the (Sr)CA2+-Atpase CA2-E1-Caamppcp Form within 5.0Å range: probe atom residue distance (Å) B Occ A:K1006 b:91.3 occ:1.00 O A:ALA714 3.1 69.8 1.0 O A:LEU711 3.1 64.2 1.0 OE1 A:GLU732 3.2 89.6 1.0 O A:LYS712 3.2 77.0 1.0 O A:HOH1028 3.4 64.2 1.0 OE2 A:GLU732 3.4 81.8 1.0 O A:HOH1091 3.4 83.5 1.0 CD A:GLU732 3.6 83.7 1.0 C A:LYS712 3.7 71.2 1.0 C A:ALA714 3.9 74.5 1.0 CA A:LYS712 3.9 68.9 1.0 O A:GLU715 4.0 77.0 1.0 C A:LEU711 4.2 65.5 1.0 N A:GLY717 4.2 69.9 1.0 C A:GLU715 4.3 80.2 1.0 N A:ALA714 4.3 59.6 1.0 CA A:ALA714 4.5 65.8 1.0 N A:LYS712 4.6 67.7 1.0 N A:LYS713 4.6 66.6 1.0 C A:LYS713 4.6 64.9 1.0 N A:GLU715 4.7 80.5 1.0 O A:ALA730 4.7 64.6 1.0 N A:ILE716 4.7 82.2 1.0 C A:ILE716 4.7 70.3 1.0 CA A:GLU715 4.8 77.9 1.0 CA A:ILE716 4.8 76.7 1.0 CA A:GLY717 4.8 66.6 1.0 CB A:ALA714 4.8 64.3 1.0 CG A:GLU732 4.9 75.2 1.0 O A:LYS713 5.0 61.7 1.0

M.Bublitz, M.Musgaard, H.Poulsen, L.Thogersen, C.Olesen, B.Schiott, J.P.Morth, J.V.Moller, P.Nissen. Ion Pathways in the Sarcoplasmic Reticulum CA2+-Atpase. J.Biol.Chem. V. 288 10759 2013.
ISSN: ISSN 0021-9258
PubMed: 23400778
DOI: 10.1074/JBC.R112.436550