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 |
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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:
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