Sodium in the structure of E. Coli Trp Holorepressor, Orthorhombic Crystal Form (pdb 2oz9)

The binding sites of Sodium atom in the structure of E. Coli Trp Holorepressor, Orthorhombic Crystal Form (pdb code 2oz9). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 2oz9 structure was solved by C.L.LAWSON, P.B.SIGLER, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 5.0-1.6 Space group P21212 a (A) 53.300 b (A) 53.600 c (A) 33.100 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) n/a Rfree (%) n/a Sodium Binding Sites: Sodium binding site 1 out of 1 in 2oz9 Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 2oz9. 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: R: Glu60, R: Leu61, R: Arg63, R: Gly64, R: Glu65, R: Met66, R: Hoh226, R: Hoh239, conact list: Atom Atom Distance (A) Na O R:Glu60 2.74 Na N R:Glu60 4.97 Na OE1 R:Glu60 2.75 Na CB R:Glu60 3.66 Na OE2 R:Glu60 4.91 Na CD R:Glu60 3.82 Na C R:Glu60 3.50 Na CG R:Glu60 4.30 Na CA R:Glu60 3.54 Na N R:Leu61 4.75 Na N R:Arg63 4.92 Na CB R:Arg63 3.78 Na CD R:Arg63 4.01 Na C R:Arg63 4.26 Na CG R:Arg63 3.89 Na NH1 R:Arg63 4.59 Na CA R:Arg63 4.49 Na N R:Gly64 3.66 Na C R:Gly64 3.93 Na CA R:Gly64 4.16 Na N R:Glu65 3.00 Na CB R:Glu65 3.63 Na C R:Glu65 3.81 Na CG R:Glu65 4.63 Na CA R:Glu65 3.63 Na O R:Met66 4.32 Na N R:Met66 3.00 Na CB R:Met66 3.73 Na C R:Met66 4.62 Na CG R:Met66 3.95 Na SD R:Met66 4.77 Na CA R:Met66 3.89 Na O R:Hoh226 3.88 Na O R:Hoh239 3.69 interactive model: