Sodium in the structure of H.Salinarum Alkaline Phosphatase (pdb 2x98)

The binding sites of Sodium atom in the structure of H.Salinarum Alkaline Phosphatase (pdb code 2x98). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 2x98 structure was solved by A.WENDE, P.JOHANSSON, M.GRININGER, D.OESTERHELT, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 25.0-1.7 Space group C121 a (A) 72.143 b (A) 152.524 c (A) 86.799 alpha (°) 90.00 beta (°) 110.00 gamma (°) 90.00 Rfactor (%) 16.042 Rfree (%) 19.771 Sodium Binding Sites: Sodium binding site 1 out of 2 in 2x98 Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 2x98. 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: Ser97, A: Arg98, A: Gly99, A: Phe452, A: Asp453, A: Ala454, conact list: Atom Atom Distance (A) Na C A:Ser97 4.88 Na O A:Arg98 2.20 Na N A:Arg98 3.71 Na CB A:Arg98 4.55 Na CD A:Arg98 4.07 Na C A:Arg98 3.34 Na CG A:Arg98 3.90 Na CA A:Arg98 4.01 Na N A:Gly99 4.42 Na CA A:Gly99 4.67 Na O A:Phe452 4.74 Na O A:Asp453 4.86 Na N A:Asp453 4.73 Na CB A:Asp453 3.61 Na OD2 A:Asp453 4.14 Na C A:Asp453 4.31 Na OD1 A:Asp453 2.21 Na CG A:Asp453 3.12 Na CA A:Asp453 3.53 Na N A:Ala454 4.89 interactive model: Sodium binding site 2 out of 2 in 2x98 Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Sodium in the PDB 2x98. 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: Ser97, B: Arg98, B: Gly99, B: Phe452, B: Asp453, B: Ala454, conact list: Atom Atom Distance (A) Na C B:Ser97 4.82 Na O B:Arg98 2.13 Na N B:Arg98 3.64 Na CB B:Arg98 4.51 Na CD B:Arg98 4.11 Na C B:Arg98 3.29 Na CG B:Arg98 3.82 Na CA B:Arg98 3.97 Na N B:Gly99 4.36 Na CA B:Gly99 4.59 Na O B:Phe452 4.69 Na O B:Asp453 4.78 Na N B:Asp453 4.64 Na CB B:Asp453 3.57 Na OD2 B:Asp453 4.14 Na C B:Asp453 4.26 Na OD1 B:Asp453 2.20 Na CG B:Asp453 3.11 Na CA B:Asp453 3.50 Na N B:Ala454 4.84 interactive model: