Potassium in PDB 1t5s: Structure of the (Sr)CA2+-Atpase CA2-E1-Amppcp Form

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

The structure of Structure of the (Sr)CA2+-Atpase CA2-E1-Amppcp Form, PDB code: 1t5s was solved by T.L.-M.Sorensen, J.V.Moller, P.Nissen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.00 / 2.60
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	162.439, 76.259, 151.164, 90.00, 108.70, 90.00
R / Rfree (%)	24.2 / 28.5

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

Magnesium	(Mg)	1 atom
Calcium	(Ca)	2 atoms

The binding sites of Potassium atom in the Structure of the (Sr)CA2+-Atpase CA2-E1-Amppcp Form (pdb code 1t5s). 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-Amppcp Form, PDB code: 1t5s:

Potassium binding site 1 out of 1 in the Structure of the (Sr)CA2+-Atpase CA2-E1-Amppcp 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-Amppcp Form within 5.0Å range: probe atom residue distance (Å) B Occ A:K1006 b:69.7 occ:1.00 OE1 A:GLU732 2.6 63.5 1.0 O A:ALA714 2.6 59.0 1.0 O A:LEU711 2.7 57.2 1.0 O A:LYS712 2.9 59.7 1.0 CD A:GLU732 3.3 63.6 1.0 OE2 A:GLU732 3.4 64.1 1.0 C A:LYS712 3.5 59.4 1.0 C A:ALA714 3.7 59.7 1.0 CA A:LYS712 3.8 59.3 1.0 C A:LEU711 3.8 57.6 1.0 O A:GLU715 3.9 61.3 1.0 N A:GLY717 4.0 58.1 1.0 C A:GLU715 4.2 60.9 1.0 N A:ALA714 4.2 59.4 1.0 N A:LYS712 4.3 58.5 1.0 C A:ILE716 4.4 58.6 1.0 N A:LYS713 4.4 59.5 1.0 CA A:ALA714 4.5 59.5 1.0 CA A:GLY717 4.5 57.2 1.0 C A:LYS713 4.5 59.7 1.0 N A:ILE716 4.6 60.7 1.0 O A:ALA730 4.6 57.4 1.0 N A:GLU715 4.6 60.3 1.0 CG A:GLU732 4.7 61.5 1.0 CA A:ILE716 4.7 59.8 1.0 CA A:GLU715 4.7 60.8 1.0 CB A:ALA714 4.9 59.1 1.0 O A:LYS713 4.9 59.8 1.0 CA A:LYS713 5.0 60.0 1.0

T.L.-M.Sorensen, J.V.Moller, P.Nissen. Phosphoryl Transfer and Calcium Ion Occlusion in the Calcium Pump. Science V. 304 1672 2004.
ISSN: ISSN 0036-8075
PubMed: 15192230
DOI: 10.1126/SCIENCE.1099366