Potassium in PDB 2wli: Potassium Channel From Magnetospirillum Magnetotacticum

The structure of Potassium Channel From Magnetospirillum Magnetotacticum, PDB code: 2wli was solved by O.B.Clarke, A.T.Caputo, B.J.Smith, J.M.Gulbis, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 3.09
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	113.409, 105.009, 89.422, 90.00, 90.00, 90.00
R / Rfree (%)	26.5 / 28.8

The binding sites of Potassium atom in the Potassium Channel From Magnetospirillum Magnetotacticum (pdb code 2wli). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Potassium Channel From Magnetospirillum Magnetotacticum, PDB code: 2wli:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range: probe atom residue distance (Å) B Occ A:K1300 b:20.0 occ:0.50 O A:GLY98 2.5 29.6 1.0 O B:GLY98 2.6 33.8 1.0 O B:TYR99 3.1 35.9 1.0 O A:TYR99 3.1 30.3 1.0 C B:TYR99 3.6 35.4 1.0 C A:TYR99 3.6 30.1 1.0 C A:GLY98 3.7 29.8 1.0 C B:GLY98 3.7 33.7 1.0 N B:GLY100 4.2 35.6 1.0 N A:GLY100 4.2 29.8 1.0 CA A:TYR99 4.2 30.5 1.0 CA B:TYR99 4.2 35.0 1.0 N A:TYR99 4.4 30.2 1.0 CA B:GLY100 4.4 36.5 1.0 N B:TYR99 4.4 34.2 1.0 CA A:GLY100 4.5 29.6 1.0 CA A:GLY98 4.7 29.9 1.0 CA B:GLY98 4.8 33.4 1.0

Potassium binding site 2 out of 4 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range: probe atom residue distance (Å) B Occ A:K1301 b:20.0 occ:0.50 O B:THR96 2.7 33.6 1.0 O A:THR96 2.7 30.8 1.0 OG1 B:THR96 3.0 35.6 1.0 OG1 A:THR96 3.0 32.1 1.0 K A:K1302 3.4 20.0 0.5 CB A:THR96 3.5 31.6 1.0 CB B:THR96 3.5 35.3 1.0 C A:THR96 3.6 31.2 1.0 C B:THR96 3.7 34.1 1.0 CA A:THR96 4.2 31.5 1.0 CA B:THR96 4.3 34.9 1.0 N A:ILE97 4.6 31.4 1.0 N B:ILE97 4.7 34.3 1.0 O A:ALA95 4.7 33.1 1.0 CG2 A:THR96 4.8 32.1 1.0 CG2 B:THR96 4.8 36.6 1.0 CA A:ILE97 4.8 31.4 1.0 CA B:ILE97 4.9 34.1 1.0 O A:ILE97 4.9 30.6 1.0 O B:ALA95 4.9 36.5 1.0 O B:ILE97 4.9 33.3 1.0

Potassium binding site 3 out of 4 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range: probe atom residue distance (Å) B Occ A:K1302 b:20.0 occ:0.50 O A:ILE97 2.7 30.6 1.0 O B:ILE97 2.8 33.3 1.0 O A:THR96 3.0 30.8 1.0 O B:THR96 3.1 33.6 1.0 C A:ILE97 3.4 30.7 1.0 K A:K1301 3.4 20.0 0.5 C B:ILE97 3.5 33.5 1.0 CA A:GLY98 4.0 29.9 1.0 N A:GLY98 4.0 30.4 1.0 CA B:GLY98 4.1 33.4 1.0 C A:THR96 4.1 31.2 1.0 N B:GLY98 4.1 33.5 1.0 C B:THR96 4.2 34.1 1.0 CA A:ILE97 4.2 31.4 1.0 CA B:ILE97 4.3 34.1 1.0 N A:ILE97 4.6 31.4 1.0 C A:GLY98 4.7 29.8 1.0 C B:GLY98 4.7 33.7 1.0 N B:ILE97 4.7 34.3 1.0 O B:GLY98 4.8 33.8 1.0 O A:GLY98 4.8 29.6 1.0

Potassium binding site 4 out of 4 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range: probe atom residue distance (Å) B Occ A:K1303 b:20.0 occ:0.50 OG1 B:THR96 4.6 35.6 1.0 OG1 A:THR96 4.6 32.1 1.0

O.B.Clarke, A.T.Caputo, A.P.Hill, J.I.Vandenberg, B.J.Smith, J.M.Gulbis. Domain Reorientation and Rotation of An Intracellular Assembly Regulate Conduction in Kir Potassium Channels. Cell(Cambridge,Mass.) V. 141 1018 2010.
ISSN: ISSN 0092-8674
PubMed: 20564790
DOI: 10.1016/J.CELL.2010.05.003