Potassium in PDB 3b9r: Serca CA2+-Atpase E2 Aluminium Fluoride Complex Without Thapsigargin

All present enzymatic activity of Serca CA2+-Atpase E2 Aluminium Fluoride Complex Without Thapsigargin:
3.6.3.8;

The structure of Serca CA2+-Atpase E2 Aluminium Fluoride Complex Without Thapsigargin, PDB code: 3b9r was solved by C.Olesen, M.Picard, A.M.L.Winther, 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)	19.99 / 3.00
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	131.980, 94.430, 136.180, 90.00, 107.79, 90.00
R / Rfree (%)	18.5 / 23.5

The structure of Serca CA2+-Atpase E2 Aluminium Fluoride Complex Without Thapsigargin also contains other interesting chemical elements:

Fluorine	(F)	8 atoms
Magnesium	(Mg)	2 atoms
Aluminium	(Al)	2 atoms

The binding sites of Potassium atom in the Serca CA2+-Atpase E2 Aluminium Fluoride Complex Without Thapsigargin (pdb code 3b9r). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Serca CA2+-Atpase E2 Aluminium Fluoride Complex Without Thapsigargin, PDB code: 3b9r:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Serca CA2+-Atpase E2 Aluminium Fluoride Complex Without Thapsigargin


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Serca CA2+-Atpase E2 Aluminium Fluoride Complex Without Thapsigargin within 5.0Å range: probe atom residue distance (Å) B Occ A:K997 b:78.5 occ:1.00 O A:LEU711 3.0 82.6 1.0 O A:ALA714 3.0 77.6 1.0 OE1 A:GLU732 3.1 65.9 1.0 O A:LYS712 3.2 77.3 1.0 OE2 A:GLU732 3.2 63.6 1.0 CD A:GLU732 3.5 61.9 1.0 C A:LYS712 3.7 58.7 1.0 CA A:LYS712 3.7 51.3 1.0 C A:LEU711 3.9 66.1 1.0 O A:GLU715 4.0 79.0 1.0 N A:GLY717 4.0 60.4 1.0 C A:ALA714 4.2 75.2 1.0 N A:LYS712 4.3 55.0 1.0 O A:ALA730 4.3 76.1 1.0 C A:GLU715 4.3 70.6 1.0 C A:ILE716 4.6 63.9 1.0 CA A:GLY717 4.7 49.5 1.0 O A:HOH1002 4.7 64.4 1.0 N A:ILE716 4.7 66.7 1.0 N A:ALA714 4.7 62.2 1.0 CA A:ILE716 4.8 56.8 1.0 N A:LYS713 4.8 49.4 1.0 CB A:LYS712 4.9 50.4 1.0 CG A:GLU732 4.9 65.7 1.0 C A:LYS713 4.9 65.0 1.0 CA A:ALA714 4.9 51.8 1.0

Potassium binding site 2 out of 2 in the Serca CA2+-Atpase E2 Aluminium Fluoride Complex Without Thapsigargin


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Serca CA2+-Atpase E2 Aluminium Fluoride Complex Without Thapsigargin within 5.0Å range: probe atom residue distance (Å) B Occ B:K997 b:99.0 occ:1.00 OE1 B:GLU732 3.2 96.5 1.0 O B:LYS712 3.3 0.1 1.0 O B:LEU711 3.3 0.6 1.0 O B:ALA714 3.4 0.0 1.0 OE2 B:GLU732 3.5 96.5 1.0 NE2 B:GLN244 3.5 0.3 1.0 CD B:GLU732 3.6 98.2 1.0 CA B:LYS712 3.8 88.6 1.0 C B:LYS712 3.8 0.2 1.0 OE1 B:GLN244 3.9 0.8 1.0 N B:GLY717 3.9 94.3 1.0 O B:HOH1002 4.0 84.8 1.0 O B:GLU715 4.0 91.8 1.0 C B:ALA714 4.0 0.8 1.0 C B:GLU715 4.0 81.7 1.0 CD B:GLN244 4.1 0.0 1.0 N B:ILE716 4.2 99.1 1.0 CA B:ILE716 4.2 0.2 1.0 C B:LEU711 4.3 98.4 1.0 O B:ALA730 4.4 74.5 1.0 C B:ILE716 4.4 0.3 1.0 N B:LYS712 4.5 95.8 1.0 N B:GLU715 4.6 95.1 1.0 N B:ALA714 4.6 95.9 1.0 CA B:GLU715 4.7 88.7 1.0 CA B:ALA714 4.8 0.8 1.0 CA B:GLY717 4.8 91.4 1.0 CG B:GLU732 4.9 97.8 1.0 CB B:LYS712 4.9 88.0 1.0 N B:LYS713 4.9 0.6 1.0

C.Olesen, M.Picard, A.M.L.Winther, C.Gyrup, J.P.Morth, C.Oxvig, J.V.Moller, P.Nissen. The Structural Basis of Calcium Transport By the Calcium Pump Nature V. 450 1036 2007.
ISSN: ISSN 0028-0836
PubMed: 18075584
DOI: 10.1038/NATURE06418