Potassium in PDB 2x6a: Potassium Channel From Magnetospirillum Magnetotacticum

The structure of Potassium Channel From Magnetospirillum Magnetotacticum, PDB code: 2x6a was solved by O.B.Clarke, A.T.Caputo, A.P.Hill, J.I.Vandenberg, 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)	44.62 / 3.10
Space group	P 4 21 2
Cell size a, b, c (Å), α, β, γ (°)	107.759, 107.759, 89.242, 90.00, 90.00, 90.00
R / Rfree (%)	22 / 27.1

The binding sites of Potassium atom in the Potassium Channel From Magnetospirillum Magnetotacticum (pdb code 2x6a). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Potassium Channel From Magnetospirillum Magnetotacticum, PDB code: 2x6a:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 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:K1299 b:0.2 occ:0.25 O A:TYR99 2.6 63.9 1.0 O A:GLY98 2.8 0.4 1.0 C A:TYR99 3.3 80.3 1.0 CA A:TYR99 3.7 82.5 1.0 C A:GLY98 3.7 0.5 1.0 N A:TYR99 4.2 89.5 1.0 N A:GLY100 4.3 84.8 1.0 O A:ILE97 4.4 99.0 1.0 CA A:GLY100 4.8 92.1 1.0 CA A:GLY98 5.0 0.6 1.0

Potassium binding site 2 out of 3 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:K1300 b:78.1 occ:0.98 O A:THR96 2.6 73.5 1.0 O A:ILE97 2.7 99.0 1.0 C A:ILE97 3.4 93.3 1.0 K A:K1301 3.5 55.0 0.9 CA A:ILE97 3.7 83.8 1.0 C A:THR96 3.7 78.6 1.0 N A:ILE97 4.2 79.9 1.0 N A:GLY98 4.5 95.8 1.0 CA A:THR96 4.9 79.2 1.0

Potassium binding site 3 out of 3 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:K1301 b:55.0 occ:0.89 OG1 A:THR96 2.7 45.2 1.0 O A:THR96 2.8 73.5 1.0 CB A:THR96 3.5 62.2 1.0 K A:K1300 3.5 78.1 1.0 C A:THR96 3.7 78.6 1.0 CA A:THR96 4.3 79.2 1.0 O A:ALA95 4.5 63.7 1.0 N A:ILE97 4.7 79.9 1.0 CG2 A:THR96 4.7 47.1 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