Sodium in the structure of 35/99/170/186/220-Loops of Fxa in Sgt (pdb 3i78)

The binding sites of Sodium atom in the structure of 35/99/170/186/220-Loops of Fxa in Sgt (pdb code 3i78). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 3i78 structure was solved by M.J.PAGE, E.DI CERA, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 35.9-3.0 Space group P3221 a (A) 113.710 b (A) 113.710 c (A) 52.616 alpha (°) 90.00 beta (°) 90.00 gamma (°) 120.00 Rfactor (%) 20.8 Rfree (%) 27.5 Sodium Binding Sites: Sodium binding site 1 out of 1 in 3i78 Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 3i78. 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: Tyr185, A: Asp185A, A: Thr185B, A: Lys186, A: Ala221, A: Arg222, A: Lys223, A: Gly223A, A: Lys224, conact list: Atom Atom Distance (A) Na O A:Tyr185 2.68 Na N A:Tyr185 4.64 Na CB A:Tyr185 4.41 Na C A:Tyr185 3.49 Na CA A:Tyr185 4.38 Na O A:Asp185A 2.59 Na N A:Asp185A 4.14 Na C A:Asp185A 3.15 Na CA A:Asp185A 4.07 Na O A:Thr185B 3.98 Na N A:Thr185B 3.62 Na C A:Thr185B 3.81 Na CA A:Thr185B 3.80 Na O A:Lys186 3.57 Na N A:Lys186 4.29 Na C A:Lys186 4.56 Na O A:Ala221 3.66 Na C A:Ala221 3.76 Na CB A:Ala221 4.84 Na CA A:Ala221 4.19 Na O A:Arg222 2.81 Na N A:Arg222 4.16 Na C A:Arg222 3.68 Na CA A:Arg222 4.52 Na N A:Lys223 4.42 Na CA A:Lys223 4.89 Na N A:Gly223A 4.82 Na O A:Lys224 3.44 Na N A:Lys224 4.82 Na C A:Lys224 4.62 interactive model: