Sodium in the structure of D136N Mutant of Heme Oxygenase From Corynebacterium Diphtheriae (Hmuo) (pdb 1wnw)

The binding sites of Sodium atom in the structure of D136N Mutant of Heme Oxygenase From Corynebacterium Diphtheriae (Hmuo) (pdb code 1wnw). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 1wnw structure was solved by M.UNNO, T.MATSUI, M.IKEDA-SAITO, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 20.0-1.7 Space group P1211 a (A) 54.059 b (A) 63.101 c (A) 107.164 alpha (°) 90.00 beta (°) 101.03 gamma (°) 90.00 Rfactor (%) 19.6 Rfree (%) 23.3 Sodium Binding Sites: Sodium binding site 1 out of 2 in 1wnw Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 1wnw. 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: Pro104, B: Ala105, B: Asp108, B: Phe203, B: Gln206, B: Hoh4070, B: Hoh4099, B: Hoh4106, conact list: Atom Atom Distance (A) Na O B:Pro104 4.99 Na O B:Ala105 4.39 Na N B:Ala105 4.93 Na C B:Ala105 4.71 Na CB B:Ala105 4.17 Na CA B:Ala105 3.97 Na CB B:Asp108 3.58 Na OD2 B:Asp108 4.75 Na OD1 B:Asp108 2.73 Na CG B:Asp108 3.57 Na CE2 B:Phe203 4.56 Na CD2 B:Phe203 4.30 Na NE2 B:Gln206 3.53 Na OE1 B:Gln206 2.13 Na CB B:Gln206 4.00 Na CD B:Gln206 2.95 Na CG B:Gln206 4.02 Na O B:Hoh4070 3.54 Na O B:Hoh4099 4.63 Na O B:Hoh4106 3.33 interactive model: Sodium binding site 2 out of 2 in 1wnw Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Sodium in the PDB 1wnw. 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: Leu37, B: Gly38, B: Glu41, B: Hoh4062, B: Hoh4157, conact list: Atom Atom Distance (A) Na O B:Leu37 3.84 Na C B:Leu37 4.20 Na CA B:Leu37 4.78 Na N B:Gly38 4.71 Na CA B:Gly38 4.89 Na OE1 B:Glu41 4.66 Na OE2 B:Glu41 4.68 Na O B:Hoh4062 2.87 Na O B:Hoh4157 2.32 interactive model: