Sodium in the structure of The Crystal Structure of Human N-Acetylneuraminic Acid Phosphatase, Nanp (pdb 2w4m)

The binding sites of Sodium atom in the structure of The Crystal Structure of Human N-Acetylneuraminic Acid Phosphatase, Nanp (pdb code 2w4m). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 2w4m structure was solved by E.UGOCHUKWU, R.COCKING, W.W.YUE, A.C.W.PIKE, A.ROOS, J.R.C.MUNIZ, F.VON DELFT, C.BOUNTRA, C.H.ARROWSMITH, J.WEIGELT, A.EDWARDS, U.OPPERMANN, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 35.4-2.6 Space group P3221 a (A) 122.740 b (A) 122.740 c (A) 74.550 alpha (°) 90.00 beta (°) 90.00 gamma (°) 120.00 Rfactor (%) 18.2 Rfree (%) 21.2 Sodium Binding Sites: Sodium binding site 1 out of 1 in 2w4m Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 2w4m. 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: Asp12, A: Leu13, A: Asp14, A: Asn15, A: Thr16, A: Asp189, A: Thr190, A: Asp194, A: Cl1246, A: Po41249, A: Hoh2075, A: Hoh2087, A: Hoh2088, conact list: Atom Atom Distance (A) Na CB A:Asp12 4.79 Na OD2 A:Asp12 2.48 Na OD1 A:Asp12 3.60 Na CG A:Asp12 3.39 Na C A:Leu13 4.98 Na O A:Asp14 2.31 Na N A:Asp14 4.16 Na CB A:Asp14 3.91 Na C A:Asp14 3.41 Na CA A:Asp14 4.00 Na N A:Asn15 4.53 Na CB A:Asn15 4.73 Na ND2 A:Asn15 4.39 Na C A:Asn15 4.91 Na CA A:Asn15 4.94 Na OG1 A:Thr16 4.52 Na N A:Asp189 4.99 Na CB A:Asp189 4.77 Na OD2 A:Asp189 3.87 Na OD1 A:Asp189 2.42 Na CG A:Asp189 3.49 Na CB A:Thr190 4.86 Na OG1 A:Thr190 3.77 Na OD2 A:Asp194 4.46 Na CL A:Cl1246 2.95 Na O1 A:Po41249 4.46 Na O2 A:Po41249 4.85 Na P A:Po41249 3.80 Na O4 A:Po41249 3.87 Na O3 A:Po41249 2.51 Na O A:Hoh2075 2.34 Na O A:Hoh2087 4.30 Na O A:Hoh2088 3.16 interactive model: