Sodium in the structure of Crystal Structure of Hen Egg White Lysozyme Soaked With 1MM RHCL3 (pdb 3a90)

The binding sites of Sodium atom in the structure of Crystal Structure of Hen Egg White Lysozyme Soaked With 1MM RHCL3 (pdb code 3a90). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 3a90 structure was solved by S.ABE, T.KOSHIYAMA, T.OHKI, T.HIKAGE, Y.WATANABE, T.UENO, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 21.4-1.4 Space group P43212 a (A) 78.743 b (A) 78.743 c (A) 37.048 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) 18.9 Rfree (%) 21 Sodium Binding Sites: Sodium binding site 1 out of 1 in 3a90 Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 3a90. 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: Cys64, A: Asn65, A: Asp66, A: Thr69, A: Ser72, A: Arg73, A: Asn74, A: Cl132, A: Hoh143, A: Hoh161, A: Hoh259, conact list: Atom Atom Distance (A) Na O A:Ser60 2.26 Na CB A:Ser60 4.26 Na C A:Ser60 3.42 Na CA A:Ser60 4.08 Na O A:Arg61 4.56 Na N A:Arg61 4.49 Na C A:Arg61 4.51 Na CA A:Arg61 4.71 Na N A:Trp62 4.84 Na O A:Cys64 2.47 Na N A:Cys64 4.54 Na C A:Cys64 3.56 Na CA A:Cys64 4.69 Na N A:Asn65 4.19 Na CB A:Asn65 4.88 Na ND2 A:Asn65 4.71 Na C A:Asn65 4.87 Na CA A:Asn65 3.98 Na N A:Asp66 4.68 Na O A:Thr69 4.97 Na CB A:Thr69 4.68 Na O A:Ser72 4.71 Na CB A:Ser72 3.25 Na OG A:Ser72 2.47 Na C A:Ser72 4.13 Na CA A:Ser72 4.33 Na O A:Arg73 2.43 Na N A:Arg73 3.92 Na C A:Arg73 3.47 Na CA A:Arg73 4.28 Na N A:Asn74 4.38 Na CB A:Asn74 4.79 Na CA A:Asn74 4.61 Na CL A:Cl132 4.70 Na O A:Hoh143 2.45 Na O A:Hoh161 2.36 Na O A:Hoh259 4.51 interactive model: