Sodium in the structure of Structure of Hen Egg White Lysozyme Soaked With Ni-Cyclam (pdb 2h9k)

The binding sites of Sodium atom in the structure of Structure of Hen Egg White Lysozyme Soaked With Ni-Cyclam (pdb code 2h9k). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 2h9k structure was solved by I.W.MCNAE, T.M.HUNTER, P.J.SADLER, M.D.WALKINSHAW, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 54.6-1.8 Space group P43212 a (A) 77.324 b (A) 77.324 c (A) 37.948 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) 18.1 Rfree (%) 24.6 Sodium Binding Sites: Sodium binding site 1 out of 1 in 2h9k Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 2h9k. 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: Ser60, A: Arg61, A: Trp62, A: Trp63, A: Cys64, A: Asn65, A: Asp66, A: Thr69, A: Ser72, A: Arg73, A: Asn74, A: Cl204, A: Hoh215, A: Hoh217, A: Hoh281, conact list: Atom Atom Distance (A) Na O A:Ser60 2.32 Na CB A:Ser60 4.24 Na OG A:Ser60 4.99 Na C A:Ser60 3.47 Na CA A:Ser60 4.06 Na O A:Arg61 4.74 Na N A:Arg61 4.60 Na C A:Arg61 4.65 Na CA A:Arg61 4.95 Na N A:Trp62 4.86 Na N A:Trp63 4.98 Na O A:Cys64 2.35 Na N A:Cys64 4.36 Na C A:Cys64 3.39 Na CA A:Cys64 4.51 Na N A:Asn65 4.02 Na CB A:Asn65 4.61 Na C A:Asn65 4.74 Na OD1 A:Asn65 4.59 Na CA A:Asn65 3.78 Na N A:Asp66 4.53 Na CB A:Thr69 4.69 Na O A:Ser72 4.77 Na CB A:Ser72 3.23 Na OG A:Ser72 2.51 Na C A:Ser72 4.24 Na CA A:Ser72 4.40 Na O A:Arg73 2.54 Na N A:Arg73 4.04 Na C A:Arg73 3.56 Na CA A:Arg73 4.43 Na N A:Asn74 4.43 Na CB A:Asn74 4.65 Na CA A:Asn74 4.55 Na CL A:Cl204 4.72 Na O A:Hoh215 2.46 Na O A:Hoh217 2.46 Na O A:Hoh281 4.47 interactive model: