Sodium in the structure of Fluorescent Protein Killerred in the Bleached State (pdb 2wis)

The binding sites of Sodium atom in the structure of Fluorescent Protein Killerred in the Bleached State (pdb code 2wis). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 2wis structure was solved by P.CARPENTIER, S.VIOLOT, L.BLANCHOIN, D.BOURGEOIS, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 19.8-2.4 Space group P212121 a (A) 71.940 b (A) 73.400 c (A) 75.230 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) 22.2 Rfree (%) 30.2 Sodium Binding Sites: Sodium binding site 1 out of 2 in 2wis Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 2wis. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Sodium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Gly77, A: Ile78, A: Ser79, A: Glu190, A: Pro192, A: Gly193, conact list: Atom Atom Distance (A) Na O A:Gly77 3.68 Na C A:Gly77 4.59 Na N A:Ile78 4.73 Na CB A:Ile78 4.73 Na CG2 A:Ile78 4.49 Na C A:Ile78 4.14 Na CA A:Ile78 3.87 Na N A:Ser79 3.33 Na CB A:Ser79 3.83 Na CA A:Ser79 4.21 Na OE2 A:Glu190 4.88 Na N A:Pro192 4.86 Na CB A:Pro192 3.85 Na C A:Pro192 4.38 Na CA A:Pro192 3.71 Na N A:Gly193 3.95 interactive model: Sodium binding site 2 out of 2 in 2wis Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Sodium in the PDB 2wis. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Sodium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: B: Gly77, B: Ile78, B: Ser79, B: Pro192, B: Gly193, conact list: Atom Atom Distance (A) Na O B:Gly77 4.14 Na C B:Gly77 4.96 Na CB B:Ile78 4.69 Na CG2 B:Ile78 4.89 Na C B:Ile78 4.34 Na CG1 B:Ile78 4.39 Na CA B:Ile78 4.02 Na N B:Ser79 3.61 Na CB B:Ser79 4.37 Na CA B:Ser79 4.61 Na N B:Pro192 4.81 Na CB B:Pro192 3.99 Na C B:Pro192 3.95 Na CA B:Pro192 3.57 Na O B:Gly193 4.97 Na N B:Gly193 3.30 Na CA B:Gly193 4.39 interactive model: