Sodium in the structure of Crystal Structure Of the Aminopeptidase of Aeromonas Proteolytica At pH 4.7 (pdb 2dea)

The binding sites of Sodium atom in the structure of Crystal Structure Of the Aminopeptidase of Aeromonas Proteolytica At pH 4.7 (pdb code 2dea). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 2dea structure was solved by G.A.PETSKO, D.RINGE, W.DESMARAIS, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 30.0-1.2 Space group P6122 a (A) 109.605 b (A) 109.605 c (A) 90.816 alpha (°) 90.00 beta (°) 90.00 gamma (°) 120.00 Rfactor (%) 15.3 Rfree (%) 16.3 Sodium Binding Sites: Sodium binding site 1 out of 1 in 2dea Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 2dea. 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: Gln203, A: Thr206, A: Asp210, A: Tyr218, A: Hoh534, A: Hoh538, A: Hoh545, A: Hoh548, A: Hoh550, A: Hoh559, A: Hoh728, conact list: Atom Atom Distance (A) Na NE2 A:Gln203 4.83 Na CB A:Thr206 4.33 Na OG1 A:Thr206 4.00 Na OD2 A:Asp210 4.07 Na OD1 A:Asp210 4.43 Na CG A:Asp210 4.65 Na CE2 A:Tyr218 4.73 Na CZ A:Tyr218 3.47 Na CE1 A:Tyr218 3.66 Na OH A:Tyr218 2.42 Na O A:Hoh534 2.43 Na O A:Hoh538 2.46 Na O A:Hoh545 2.36 Na O A:Hoh548 2.44 Na O A:Hoh550 2.35 Na O A:Hoh559 4.91 Na O A:Hoh728 4.46 interactive model: