Potassium in the structure of Crystal Structure Analysis of Methyl Parathion Hydrolase From Pseudomonas Sp Wbc-3 (pdb 1p9e)

The binding sites of Potassium atom in the structure of Crystal Structure Analysis of Methyl Parathion Hydrolase From Pseudomonas Sp Wbc-3 (pdb code 1p9e). This binding sites where shown with 5.0 Angstroms radius around Potassium atom. The 1p9e structure was solved by Y.DONG, L.SUN, M.BARTLAM, Z.RAO, X.ZHANG, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 50.0-2.4 Space group P43212 a (A) 85.020 b (A) 85.020 c (A) 199.773 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) 21.8 Rfree (%) 25.9 Potassium Binding Sites: Potassium binding site 1 out of 4 in 1p9e Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Potassium in the PDB 1p9e. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Lys107, A: Glu142, A: Tyr144, A: Val168, A: Arg170, A: Val223, A: Na505, A: Hoh693, conact list: Atom Atom Distance (A) K NZ A:Lys107 4.78 K OE1 A:Glu142 2.61 K OE2 A:Glu142 2.91 K CD A:Glu142 3.12 K CG A:Glu142 4.61 K OH A:Tyr144 4.40 K CG2 A:Val168 4.82 K CD A:Arg170 4.96 K NE A:Arg170 4.25 K NH2 A:Arg170 4.86 K N A:Val223 4.85 K CG2 A:Val223 4.25 K NA A:Na505 2.83 K O A:Hoh693 2.56 interactive model: Potassium binding site 2 out of 4 in 1p9e Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Potassium in the PDB 1p9e. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Asp172, A: Lys174, A: Ser217, A: Gly218, A: His232, A: Pro236, A: Gly237, A: Hoh659, A: Hoh695, conact list: Atom Atom Distance (A) K CB A:Asp172 4.65 K OD2 A:Asp172 2.80 K OD1 A:Asp172 2.86 K CG A:Asp172 3.17 K N A:Lys174 4.43 K CB A:Lys174 3.86 K CD A:Lys174 4.56 K CG A:Lys174 4.25 K CA A:Lys174 4.80 K C A:Ser217 4.85 K N A:Gly218 3.82 K CA A:Gly218 4.21 K NE2 A:His232 2.86 K ND1 A:His232 4.66 K CD2 A:His232 3.66 K CE1 A:His232 3.67 K CG A:His232 4.69 K O A:Pro236 4.89 K CA A:Gly237 4.76 K O A:Hoh659 4.48 K O A:Hoh695 2.84 interactive model: Potassium binding site 3 out of 4 in 1p9e Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 3 of Potassium in the PDB 1p9e. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Lys131, A: Gln136, A: Pro137, A: Glu138, A: Hoh696, conact list: Atom Atom Distance (A) K CE A:Lys131 4.75 K NE2 A:Gln136 2.98 K OE1 A:Gln136 4.84 K CB A:Gln136 4.82 K CD A:Gln136 3.67 K CG A:Gln136 3.49 K N A:Pro137 5.00 K CD A:Pro137 4.04 K CG A:Pro137 4.83 K OE1 A:Glu138 2.93 K OE2 A:Glu138 2.98 K CD A:Glu138 3.31 K CG A:Glu138 4.79 K O A:Hoh696 2.82 interactive model: Potassium binding site 4 out of 4 in 1p9e Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 4 of Potassium in the PDB 1p9e. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: B: Asp54, B: Phe55, B: Ser245, B: Gln246, conact list: Atom Atom Distance (A) K N B:Asp54 4.88 K CB B:Asp54 3.63 K OD2 B:Asp54 4.27 K OD1 B:Asp54 2.78 K CG B:Asp54 3.36 K CA B:Asp54 4.86 K CE1 B:Phe55 4.74 K OG B:Ser245 4.23 K NE2 B:Gln246 4.34 K CD B:Gln246 4.79 K CG B:Gln246 4.32 interactive model: