Sodium in the structure of Urate Oxidase Complexed With 8-Azaxanthine Under 1.0 Mpa Oxygen Pressure (pdb 2zka)

The binding sites of Sodium atom in the structure of Urate Oxidase Complexed With 8-Azaxanthine Under 1.0 Mpa Oxygen Pressure (pdb code 2zka). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 2zka structure was solved by N.COLLOC'H, L.GABISON, M.CHIADMI, J.H.ABRAINI, T.PRANGE, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 15.0-1.6 Space group I222 a (A) 80.172 b (A) 96.227 c (A) 105.408 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) 17.3 Rfree (%) 19 Sodium Binding Sites: Sodium binding site 1 out of 1 in 2zka Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 2zka. 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: Phe87, A: Ile88, A: Glu89, A: Tyr91, A: Asn92, A: His93, A: Ile94, A: His95, A: Glu136, A: Hoh558, conact list: Atom Atom Distance (A) Na O A:Phe87 4.74 Na O A:Ile88 2.30 Na CB A:Ile88 4.22 Na C A:Ile88 3.34 Na CA A:Ile88 3.76 Na N A:Glu89 4.52 Na CA A:Glu89 4.93 Na O A:Tyr91 2.55 Na N A:Tyr91 4.84 Na C A:Tyr91 3.63 Na CA A:Tyr91 4.80 Na O A:Asn92 3.21 Na N A:Asn92 4.22 Na C A:Asn92 3.63 Na CA A:Asn92 3.91 Na N A:His93 4.45 Na C A:His93 4.88 Na O A:Ile94 2.38 Na N A:Ile94 4.09 Na CB A:Ile94 4.76 Na C A:Ile94 3.54 Na CA A:Ile94 4.34 Na N A:His95 4.50 Na ND1 A:His95 4.08 Na CE1 A:His95 4.58 Na CA A:His95 4.59 Na OE1 A:Glu136 2.67 Na OE2 A:Glu136 3.91 Na CD A:Glu136 3.58 Na CG A:Glu136 4.82 Na O A:Hoh558 2.30 interactive model: