Sodium in the structure of Thrombin Inhibition (pdb 2zhq)

The binding sites of Sodium atom in the structure of Thrombin Inhibition (pdb code 2zhq). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 2zhq structure was solved by B.BAUM, A.HEINE, G.KLEBE, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 10.0-2.0 Space group C121 a (A) 71.100 b (A) 71.400 c (A) 72.900 alpha (°) 90.00 beta (°) 100.80 gamma (°) 90.00 Rfactor (%) 19.3 Rfree (%) 27.2 Sodium Binding Sites: Sodium binding site 1 out of 2 in 2zhq Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 2zhq. 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: H: Tyr184A, H: Asp221, H: Arg221A, H: Asp222, H: Gly223, H: Lys224, H: Tyr225, H: Hoh1031, H: Hoh1050, H: Hoh1062, H: Hoh1066, H: Hoh1077, H: Hoh1083, H: Hoh1153, conact list: Atom Atom Distance (A) Na O H:Tyr184A 4.04 Na O H:Asp221 4.53 Na C H:Asp221 4.17 Na OD1 H:Asp221 4.78 Na CA H:Asp221 4.46 Na O H:Arg221A 2.48 Na N H:Arg221A 4.12 Na C H:Arg221A 3.43 Na CA H:Arg221A 4.38 Na N H:Asp222 4.14 Na C H:Asp222 4.39 Na CA H:Asp222 4.11 Na N H:Gly223 4.19 Na C H:Gly223 4.77 Na CA H:Gly223 4.96 Na O H:Lys224 2.49 Na N H:Lys224 3.79 Na CB H:Lys224 4.68 Na C H:Lys224 3.62 Na CA H:Lys224 4.23 Na N H:Tyr225 4.66 Na CA H:Tyr225 4.86 Na O H:Hoh1031 2.49 Na O H:Hoh1050 3.75 Na O H:Hoh1062 2.49 Na O H:Hoh1066 4.23 Na O H:Hoh1077 4.01 Na O H:Hoh1083 2.50 Na O H:Hoh1153 2.49 interactive model: Sodium binding site 2 out of 2 in 2zhq Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Sodium in the PDB 2zhq. 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: H: Lys169, H: Asp170, H: Ser171, H: Thr172, H: Arg173, H: Hoh1059, H: Hoh1104, conact list: Atom Atom Distance (A) Na O H:Lys169 2.49 Na CB H:Lys169 4.89 Na C H:Lys169 3.55 Na CA H:Lys169 4.57 Na O H:Asp170 4.88 Na N H:Asp170 4.27 Na C H:Asp170 4.45 Na OD1 H:Asp170 4.67 Na CA H:Asp170 4.08 Na N H:Ser171 4.85 Na O H:Thr172 2.48 Na N H:Thr172 4.34 Na CG2 H:Thr172 4.96 Na C H:Thr172 3.70 Na CA H:Thr172 4.63 Na N H:Arg173 4.58 Na C H:Arg173 4.99 Na CA H:Arg173 4.50 Na O H:Hoh1059 2.50 Na O H:Hoh1104 2.54 interactive model: