Potassium in the structure of Potassium Channel From Magnetospirillum Magnetotacticum (pdb 2wlh)

The binding sites of Potassium atom in the structure of Potassium Channel From Magnetospirillum Magnetotacticum (pdb code 2wlh). This binding sites where shown with 5.0 Angstroms radius around Potassium atom. The 2wlh structure was solved by O.B.CLARKE, A.T.CAPUTO, B.J.SMITH, J.M.GULBIS, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 15.0-3.3 Space group P4212 a (A) 106.279 b (A) 106.279 c (A) 90.114 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) 21.28 Rfree (%) 26.59 Potassium Binding Sites: Potassium binding site 1 out of 6 in 2wlh Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Potassium in the PDB 2wlh. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Ile97, A: Gly98, A: Tyr99, A: Gly100, conact list: Atom Atom Distance (A) K O A:Ile97 4.66 K O A:Gly98 2.72 K C A:Gly98 3.90 K O A:Tyr99 2.85 K N A:Tyr99 4.56 K C A:Tyr99 3.67 K CA A:Tyr99 4.24 K N A:Gly100 4.59 K CA A:Gly100 4.86 interactive model: Potassium binding site 2 out of 6 in 2wlh Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Potassium in the PDB 2wlh. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Thr96, A: Ile97, A: Gly98, A: K1302, conact list: Atom Atom Distance (A) K O A:Thr96 2.60 K CB A:Thr96 5.00 K OG1 A:Thr96 4.70 K C A:Thr96 3.74 K CA A:Thr96 4.93 K O A:Ile97 2.74 K N A:Ile97 4.33 K C A:Ile97 3.48 K CA A:Ile97 3.91 K N A:Gly98 4.46 K CA A:Gly98 4.90 K K A:K1302 2.80 interactive model: Potassium binding site 3 out of 6 in 2wlh Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 3 of Potassium in the PDB 2wlh. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Ala95, A: Thr96, A: Ile97, A: K1301, A: K1304, conact list: Atom Atom Distance (A) K O A:Ala95 4.59 K O A:Thr96 2.58 K CB A:Thr96 3.79 K OG1 A:Thr96 2.80 K C A:Thr96 3.62 K CA A:Thr96 4.36 K O A:Ile97 4.93 K N A:Ile97 4.56 K CA A:Ile97 4.74 K K A:K1301 2.80 K K A:K1304 4.99 interactive model: Potassium binding site 4 out of 6 in 2wlh Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 4 of Potassium in the PDB 2wlh. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Thr96, A: Met121, A: K1302, conact list: Atom Atom Distance (A) K OG1 A:Thr96 4.60 K CE A:Met121 3.20 K SD A:Met121 4.94 K K A:K1302 4.99 interactive model: Potassium binding site 5 out of 6 in 2wlh Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 5 of Potassium in the PDB 2wlh. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Tyr132, conact list: Atom Atom Distance (A) K CD1 A:Tyr132 4.40 K CD2 A:Tyr132 4.96 K CZ A:Tyr132 4.92 K CE1 A:Tyr132 4.56 K CG A:Tyr132 4.60 interactive model: Potassium binding site 6 out of 6 in 2wlh Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 6 of Potassium in the PDB 2wlh. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Tyr132, conact list: Atom Atom Distance (A) K CE2 A:Tyr132 4.93 K CZ A:Tyr132 4.80 K OH A:Tyr132 3.99 interactive model: