Magnesium in PDB 2wll: Potassium Channel From Burkholderia Pseudomallei

The structure of Potassium Channel From Burkholderia Pseudomallei, PDB code: 2wll 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)	19.96 / 3.65
Space group	I 2 2 2
Cell size a, b, c (Å), α, β, γ (°)	92.840, 105.620, 258.630, 90.00, 90.00, 90.00
R / Rfree (%)	24.6 / 28.6

The structure of Potassium Channel From Burkholderia Pseudomallei also contains other interesting chemical elements:

Potassium

(K)

2 atoms

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

Magnesium binding site 1 out of 3 in the Potassium Channel From Burkholderia Pseudomallei


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Potassium Channel From Burkholderia Pseudomallei within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1310 b:0.8 occ:0.50 O A:THR110 2.0 0.6 1.0 O B:THR110 2.2 0.2 1.0 C A:THR110 3.2 0.2 1.0 C B:THR110 3.4 0.6 1.0 CA B:VAL111 3.6 0.0 1.0 O B:VAL111 3.7 98.2 1.0 CA A:VAL111 3.9 0.1 1.0 OG1 A:THR110 3.9 0.7 1.0 N B:VAL111 4.0 0.5 1.0 C B:VAL111 4.0 0.1 1.0 N A:VAL111 4.0 0.5 1.0 O A:VAL111 4.0 0.8 1.0 C A:VAL111 4.2 0.3 1.0 OG1 B:THR110 4.2 92.6 1.0 CB A:THR110 4.2 0.2 1.0 CA A:THR110 4.3 0.1 1.0 K B:K1311 4.5 0.1 0.8 CA B:THR110 4.6 0.9 1.0 CB B:THR110 4.6 0.7 1.0 CB B:VAL111 4.9 96.1 1.0

Magnesium binding site 2 out of 3 in the Potassium Channel From Burkholderia Pseudomallei


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Potassium Channel From Burkholderia Pseudomallei within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1311 b:0.8 occ:1.00 ND2 A:ASN91 3.3 0.0 1.0 OD1 A:ASN91 3.9 0.5 1.0 CG A:ASN91 4.1 0.6 1.0 OD1 A:ASP115 4.6 0.8 1.0 OD2 A:ASP115 4.7 0.6 1.0

Magnesium binding site 3 out of 3 in the Potassium Channel From Burkholderia Pseudomallei


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of Potassium Channel From Burkholderia Pseudomallei within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg1312 b:86.7 occ:1.00 ND2 B:ASN91 2.9 0.7 1.0 OD1 B:ASP115 3.9 0.1 1.0 CG B:ASN91 4.0 0.8 1.0 OD1 B:ASN91 4.3 0.3 1.0 OD2 B:ASP115 4.5 1.0 1.0 CG B:ASP115 4.6 0.7 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