Magnesium in PDB 4twk: Crystal Structure of Human Two Pore Domain Potassium Ion Channel TREK1 (K2P2.1)

The structure of Crystal Structure of Human Two Pore Domain Potassium Ion Channel TREK1 (K2P2.1), PDB code: 4twk was solved by A.C.W.Pike, Y.Y.Dong, A.Tessitore, S.Goubin, C.Strain-Damerell, S.Mukhopadhyay, K.Kupinska, D.Wang, R.Chalk, G.Berridge, M.Grieben, L.Shrestha, J.H.Ang, A.Mackenzie, A.Quigley, S.R.Bushell, C.A.Shintre, B.Faust, A.Chu, L.Dong, F.Von Delft, C.H.Arrowsmith, A.M.Edwards, C.Bountra, N.A.Burgess-Brown, E.P.Carpenter, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	33.94 / 2.60
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	74.470, 105.975, 128.270, 90.00, 90.00, 90.00
R / Rfree (%)	23.1 / 25.8

The structure of Crystal Structure of Human Two Pore Domain Potassium Ion Channel TREK1 (K2P2.1) also contains other interesting chemical elements:

Potassium

(K)

3 atoms

The binding sites of Magnesium atom in the Crystal Structure of Human Two Pore Domain Potassium Ion Channel TREK1 (K2P2.1) (pdb code 4twk). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the Crystal Structure of Human Two Pore Domain Potassium Ion Channel TREK1 (K2P2.1), PDB code: 4twk:

Magnesium binding site 1 out of 1 in the Crystal Structure of Human Two Pore Domain Potassium Ion Channel TREK1 (K2P2.1)


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure of Human Two Pore Domain Potassium Ion Channel TREK1 (K2P2.1) within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg407 b:0.4 occ:1.00 O A:GLY260 2.2 0.4 1.0 O A:GLY113 2.4 89.5 1.0 NE2 A:HIS126 2.5 91.7 1.0 C A:GLY260 3.4 1.0 1.0 CD2 A:HIS126 3.4 92.2 1.0 CE1 A:HIS126 3.5 90.2 1.0 C A:GLY113 3.5 88.1 1.0 OE1 A:GLN123 3.8 0.3 1.0 CA A:GLY260 4.1 0.4 1.0 O A:ILE124 4.1 0.1 1.0 CA A:GLY113 4.3 80.9 1.0 O A:GLY261 4.4 0.3 1.0 N A:GLY261 4.4 0.5 1.0 N A:ILE114 4.5 85.7 1.0 CG A:HIS126 4.6 89.0 1.0 ND1 A:HIS126 4.6 89.9 1.0 CA A:ILE114 4.7 87.5 1.0 CA A:GLY261 4.8 0.4 1.0 C A:GLY261 4.8 0.0 1.0 CD A:GLN123 4.9 0.7 1.0 CD1 A:ILE114 4.9 98.0 1.0

A.C.W.Pike, Y.Y.Dong, A.Tessitore, S.Goubin, C.Strain-Damerell, S.Mukhopadhyay, K.Kupinska, D.Wang, R.Chalk, G.Berridge, M.Grieben, L.Shrestha, J.H.Ang, A.Mackenzie, A.Quigley, S.R.Bushell, C.A.Shintre, B.Faust, A.Chu, L.Dong, F.Von Delft, C.H.Arrowsmith, A.M.Edwards, C.Bountra, N.A.Burgess-Brown, E.P.Carpenter. Crystal Structure of Human Two Pore Domain Potassium Ion Channel TREK1 (K2P2.1) To Be Published.