Potassium in the structure of Crystal Structure of N12G and A18G Mutant Nmra (pdb 1xgk)

The binding sites of Potassium atom in the structure of Crystal Structure of N12G and A18G Mutant Nmra (pdb code 1xgk). This binding sites where shown with 5.0 Angstroms radius around Potassium atom. The 1xgk structure was solved by H.K.LAMB, J.REN, A.PARK, C.JOHNSON, K.LESLIE, S.COCKLIN, P.THOMPSON, C.MEE, A.COOPER, D.K.STAMMERS, A.R.HAWKINS, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 24.4-1.4 Space group P3221 a (A) 76.610 b (A) 76.610 c (A) 103.820 alpha (°) 90.00 beta (°) 90.00 gamma (°) 120.00 Rfactor (%) 19.3 Rfree (%) 23.8 Potassium Binding Sites: Potassium binding site 1 out of 4 in 1xgk Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Potassium in the PDB 1xgk. 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: Leu47, A: Gln48, A: Ala49, A: Ile50, A: Pro51, A: Asn52, A: Val53, A: Thr54, A: Hoh1023, A: Hoh1066, A: Hoh1108, A: Hoh1149, A: Hoh1201, A: Hoh1373, A: Hoh1396, A: Hoh2009, A: Hoh2010, conact list: Atom Atom Distance (A) K O A:Leu47 4.52 K O A:Gln48 2.64 K C A:Gln48 3.70 K CA A:Gln48 4.45 K N A:Ala49 4.63 K C A:Ala49 4.51 K CA A:Ala49 4.81 K O A:Ile50 2.67 K N A:Ile50 4.23 K C A:Ile50 3.54 K CA A:Ile50 4.58 K O A:Pro51 3.48 K N A:Pro51 4.11 K C A:Pro51 3.91 K CA A:Pro51 3.97 K N A:Asn52 4.88 K O A:Val53 2.51 K N A:Val53 4.12 K CB A:Val53 4.50 K C A:Val53 3.66 K CA A:Val53 4.29 K N A:Thr54 4.75 K O A:Hoh1023 4.44 K O A:Hoh1066 4.04 K O A:Hoh1108 4.90 K O A:Hoh1149 4.01 K O A:Hoh1201 4.95 K O A:Hoh1373 2.83 K O A:Hoh1396 2.84 K O A:Hoh2009 4.73 K O A:Hoh2010 2.73 interactive model: Potassium binding site 2 out of 4 in 1xgk Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Potassium in the PDB 1xgk. 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: Val138, A: Arg139, A: Gln140, A: Leu141, A: Gly142, A: Leu143, A: Ser145, A: Asn212, A: Hoh1006, A: Hoh1084, conact list: Atom Atom Distance (A) K O A:Val138 4.64 K O A:Arg139 2.90 K C A:Arg139 3.85 K CA A:Arg139 4.57 K N A:Gln140 4.73 K C A:Gln140 4.69 K CA A:Gln140 4.88 K O A:Leu141 2.70 K N A:Leu141 4.39 K C A:Leu141 3.89 K CA A:Leu141 4.82 K O A:Gly142 4.96 K N A:Gly142 4.75 K C A:Gly142 4.61 K CA A:Gly142 4.65 K O A:Leu143 3.83 K N A:Leu143 4.77 K C A:Leu143 4.67 K OG A:Ser145 4.92 K ND2 A:Asn212 4.79 K OD1 A:Asn212 4.59 K O A:Hoh1006 2.59 K O A:Hoh1084 3.81 interactive model: Potassium binding site 3 out of 4 in 1xgk Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 3 of Potassium in the PDB 1xgk. 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: Gln140, A: Leu141, A: Gly142, A: Hoh1497, conact list: Atom Atom Distance (A) K O A:Gln140 2.69 K C A:Gln140 3.89 K CA A:Gln140 4.99 K N A:Leu141 4.57 K CD2 A:Leu141 4.97 K C A:Leu141 4.59 K CA A:Leu141 4.27 K N A:Gly142 4.41 K O A:Hoh1497 3.04 interactive model: Potassium binding site 4 out of 4 in 1xgk Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 4 of Potassium in the PDB 1xgk. 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: Gln17, A: Ser111, A: Ser112, A: Met113, A: Val148, A: Tyr149, A: Ala150, A: Hoh1064, A: Hoh1247, A: Hoh2046, conact list: Atom Atom Distance (A) K NE2 A:Gln17 4.62 K OE1 A:Gln17 4.38 K CD A:Gln17 4.92 K O A:Ser111 4.35 K CB A:Ser111 3.99 K OG A:Ser111 2.84 K C A:Ser111 3.85 K CA A:Ser111 4.12 K O A:Ser112 2.71 K N A:Ser112 3.71 K C A:Ser112 3.71 K CA A:Ser112 4.27 K N A:Met113 4.77 K CG A:Met113 3.98 K SD A:Met113 3.75 K O A:Val148 3.17 K C A:Val148 4.01 K O A:Tyr149 4.90 K N A:Tyr149 4.22 K CB A:Tyr149 4.84 K C A:Tyr149 3.71 K CA A:Tyr149 3.60 K O A:Ala150 4.77 K N A:Ala150 2.88 K C A:Ala150 4.83 K CB A:Ala150 3.57 K CA A:Ala150 3.81 K O A:Hoh1064 2.71 K O A:Hoh1247 4.65 K O A:Hoh2046 3.96 interactive model: