Potassium in the structure of Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex With A Sulfonylurea Herbicide, Metsulfuron Methyl (pdb 1t9d)

The binding sites of Potassium atom in the structure of Crystal Structure of Yeast Acetohydroxyacid Synthase in Complex With A Sulfonylurea Herbicide, Metsulfuron Methyl (pdb code 1t9d). This binding sites where shown with 5.0 Angstroms radius around Potassium atom. The 1t9d structure was solved by J.A.MCCOURT, S.S.PANG, L.W.GUDDAT, R.G.DUGGLEBY, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 50.0-2.3 Space group I422 a (A) 218.347 b (A) 218.347 c (A) 361.530 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) 16.4 Rfree (%) 19.5 Potassium Binding Sites: Potassium binding site 1 out of 4 in 1t9d Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Potassium in the PDB 1t9d. 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: Gln343, A: Asp350, A: Tyr460, A: Ala505, A: Gln506, A: His507, A: Trp508, A: Thr509, A: Trp510, A: Hoh4043, A: Hoh4595, A: Hoh5543, conact list: Atom Atom Distance (A) K NE2 A:Gln343 3.74 K OE1 A:Gln343 2.70 K CD A:Gln343 3.53 K CG A:Gln343 4.87 K OD2 A:Asp350 2.90 K OD1 A:Asp350 3.80 K CG A:Asp350 3.75 K CE1 A:Tyr460 4.65 K O A:Ala505 3.94 K C A:Ala505 4.95 K O A:Gln506 2.66 K C A:Gln506 3.69 K CA A:Gln506 4.50 K N A:His507 4.57 K C A:His507 4.52 K CA A:His507 4.71 K N A:Trp508 4.38 K C A:Trp508 3.81 K CA A:Trp508 4.81 K O A:Trp508 2.61 K N A:Thr509 4.60 K CA A:Thr509 4.46 K N A:Trp510 4.85 K CD1 A:Trp510 4.32 K NE1 A:Trp510 4.74 K O A:Hoh4043 2.79 K O A:Hoh4595 3.43 K O A:Hoh5543 3.08 interactive model: Potassium binding site 2 out of 4 in 1t9d Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Potassium in the PDB 1t9d. 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: Gln343, B: Asp350, B: Tyr460, B: Ala505, B: Gln506, B: His507, B: Trp508, B: Thr509, B: Trp510, B: Hoh4274, B: Hoh4275, B: Hoh5858, conact list: Atom Atom Distance (A) K NE2 B:Gln343 3.67 K OE1 B:Gln343 2.65 K CD B:Gln343 3.45 K CG B:Gln343 4.79 K OD2 B:Asp350 2.89 K OD1 B:Asp350 4.03 K CG B:Asp350 3.83 K CE1 B:Tyr460 4.75 K O B:Ala505 4.00 K C B:Ala505 4.98 K O B:Gln506 2.68 K C B:Gln506 3.72 K CA B:Gln506 4.45 K N B:His507 4.67 K C B:His507 4.68 K CA B:His507 4.87 K N B:Trp508 4.41 K C B:Trp508 3.83 K CA B:Trp508 4.84 K O B:Trp508 2.64 K N B:Thr509 4.61 K CA B:Thr509 4.46 K N B:Trp510 4.89 K CD1 B:Trp510 4.41 K NE1 B:Trp510 4.79 K O B:Hoh4274 2.76 K O B:Hoh4275 4.68 K O B:Hoh5858 2.89 interactive model: Potassium binding site 3 out of 4 in 1t9d Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 3 of Potassium in the PDB 1t9d. 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: C: Gln343, C: Asp350, C: Tyr460, C: Ala505, C: Gln506, C: His507, C: Trp508, C: Thr509, C: Trp510, C: Hoh5037, conact list: Atom Atom Distance (A) K NE2 C:Gln343 3.33 K OE1 C:Gln343 2.78 K CD C:Gln343 3.37 K CG C:Gln343 4.78 K OD2 C:Asp350 3.29 K OD1 C:Asp350 4.15 K CG C:Asp350 4.09 K CE1 C:Tyr460 4.70 K O C:Ala505 3.85 K C C:Ala505 4.84 K O C:Gln506 2.67 K C C:Gln506 3.73 K CA C:Gln506 4.47 K N C:His507 4.69 K C C:His507 4.72 K CA C:His507 4.89 K N C:Trp508 4.08 K C C:Trp508 3.71 K CA C:Trp508 4.57 K O C:Trp508 2.67 K N C:Thr509 4.53 K CA C:Thr509 4.55 K CD1 C:Trp510 4.40 K NE1 C:Trp510 4.66 K O C:Hoh5037 2.72 interactive model: Potassium binding site 4 out of 4 in 1t9d Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 4 of Potassium in the PDB 1t9d. 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: D: Gln343, D: Asp350, D: Tyr460, D: Ala505, D: Gln506, D: His507, D: Trp508, D: Thr509, D: Trp510, D: Hoh4801, D: Hoh4889, D: Hoh5324, D: Hoh5353, D: Hoh6040, conact list: Atom Atom Distance (A) K NE2 D:Gln343 3.79 K OE1 D:Gln343 2.77 K CD D:Gln343 3.59 K CG D:Gln343 4.93 K OD2 D:Asp350 2.92 K OD1 D:Asp350 3.87 K CG D:Asp350 3.79 K CE1 D:Tyr460 4.62 K O D:Ala505 3.91 K C D:Ala505 4.91 K O D:Gln506 2.72 K C D:Gln506 3.66 K CA D:Gln506 4.43 K N D:His507 4.50 K C D:His507 4.50 K CA D:His507 4.65 K N D:Trp508 4.34 K C D:Trp508 3.79 K CA D:Trp508 4.80 K O D:Trp508 2.63 K N D:Thr509 4.52 K CA D:Thr509 4.36 K N D:Trp510 4.76 K CD1 D:Trp510 4.28 K NE1 D:Trp510 4.67 K O D:Hoh4801 2.71 K O D:Hoh4889 4.39 K O D:Hoh5324 4.88 K O D:Hoh5353 3.04 K O D:Hoh6040 3.37 interactive model: