Sodium in the structure of Ascorbate Peroxidase R172A Mutant (pdb 2cl4)

The binding sites of Sodium atom in the structure of Ascorbate Peroxidase R172A Mutant (pdb code 2cl4). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 2cl4 structure was solved by L.GHAMSARI, I.K.MACDONALD, P.C.E.MOODY, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 19.8-1.8 Space group P42212 a (A) 81.656 b (A) 81.656 c (A) 75.056 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) 16 Rfree (%) 19.9 Sodium Binding Sites: Sodium binding site 1 out of 1 in 2cl4 Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 2cl4. 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: X: Thr164, X: Thr180, X: Asn182, X: Pro183, X: Ile185, X: Phe186, X: Asp187, X: Ser189, conact list: Atom Atom Distance (A) Na O X:Thr164 2.84 Na CB X:Thr164 4.24 Na CG2 X:Thr164 4.78 Na OG1 X:Thr164 3.16 Na C X:Thr164 3.88 Na CA X:Thr164 4.33 Na CB X:Thr180 3.59 Na CG2 X:Thr180 3.78 Na OG1 X:Thr180 3.12 Na O X:Asn182 2.91 Na N X:Asn182 4.61 Na CB X:Asn182 4.18 Na C X:Asn182 3.84 Na CA X:Asn182 4.43 Na N X:Pro183 4.80 Na O X:Ile185 2.61 Na N X:Ile185 4.65 Na CB X:Ile185 4.33 Na CG2 X:Ile185 4.77 Na C X:Ile185 3.76 Na CA X:Ile185 4.47 Na N X:Phe186 4.78 Na CA X:Phe186 4.96 Na O X:Asp187 4.94 Na N X:Asp187 4.36 Na CB X:Asp187 4.96 Na OD2 X:Asp187 4.14 Na OD1 X:Asp187 3.04 Na CG X:Asp187 3.82 Na CB X:Ser189 4.02 Na OG X:Ser189 4.36 interactive model: