The binding sites of Magnesium atom in the structure of X-Ray High Resolution Structure of The Photosynthetic Reaction Center From Rb. Sphaeroides At pH 10 in the Charge-Separated State (pdb code 2uxk). This binding sites where shown with 5.0 Angstroms radius around Magnesium atom. The 2uxk structure was solved by J.KOEPKE, R.DIEHM, G.FRITZSCH, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
Resolution (A) | 119.5-2.3 | Space group | P43212 | a (A) | 140.020 | b (A) | 140.020 | c (A) | 235.875 | alpha (°) | 90.00 | beta (°) | 90.00 | gamma (°) | 90.00 | Rfactor (%) | 19 | Rfree (%) | 21.9 |
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Magnesium binding site 1 out of 4 in 2uxk
|  Click to enlarge |  Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Magnesium in the PDB 2uxk. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Magnesium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: L: His153, L: Leu154, M: Tyr210, L: Bcl1282, L: Bph1287, | conact list:
Atom | Atom | Distance (A) | Mg | NE2 L:His153 | 2.02 | Mg | ND1 L:His153 | 4.15 | Mg | CD2 L:His153 | 2.98 | Mg | CE1 L:His153 | 3.06 | Mg | CG L:His153 | 4.15 | Mg | CD1 L:Leu154 | 4.74 | Mg | CE2 M:Tyr210 | 4.62 | Mg | CBC L:Bcl1282 | 4.70 | Mg | C2D L:Bcl1282 | 4.19 | Mg | NA L:Bcl1282 | 2.04 | Mg | CHA L:Bcl1282 | 3.42 | Mg | C2A L:Bcl1282 | 4.40 | Mg | C4B L:Bcl1282 | 3.05 | Mg | C4A L:Bcl1282 | 3.02 | Mg | C1D L:Bcl1282 | 3.08 | Mg | C3A L:Bcl1282 | 4.33 | Mg | C1C L:Bcl1282 | 2.99 | Mg | C2C L:Bcl1282 | 4.30 | Mg | CBD L:Bcl1282 | 4.90 | Mg | NB L:Bcl1282 | 2.05 | Mg | C3B L:Bcl1282 | 4.25 | Mg | MG L:Bcl1282 | 0.00 | Mg | C4D L:Bcl1282 | 2.93 | Mg | NC L:Bcl1282 | 2.04 | Mg | CBA L:Bcl1282 | 4.85 | Mg | CHB L:Bcl1282 | 3.40 | Mg | CHC L:Bcl1282 | 3.30 | Mg | C3D L:Bcl1282 | 4.11 | Mg | C4C L:Bcl1282 | 3.00 | Mg | C2B L:Bcl1282 | 4.24 | Mg | CHD L:Bcl1282 | 3.42 | Mg | ND L:Bcl1282 | 2.04 | Mg | C1B L:Bcl1282 | 3.08 | Mg | C3C L:Bcl1282 | 4.32 | Mg | C1A L:Bcl1282 | 3.09 | Mg | OBB L:Bph1287 | 4.22 | Mg | C20 L:Bph1287 | 4.87 |
| interactive model:
| Magnesium binding site 2 out of 4 in 2uxk
|  Click to enlarge |  Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Magnesium in the PDB 2uxk. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Magnesium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: L: Phe167, L: His173, L: Bcl1289, M: Bcl1304, | conact list:
Atom | Atom | Distance (A) | Mg | CD1 L:Phe167 | 4.72 | Mg | NE2 L:His173 | 2.32 | Mg | ND1 L:His173 | 4.33 | Mg | CD2 L:His173 | 3.44 | Mg | CE1 L:His173 | 3.13 | Mg | CG L:His173 | 4.51 | Mg | C2D L:Bcl1289 | 4.19 | Mg | NA L:Bcl1289 | 2.08 | Mg | CHA L:Bcl1289 | 3.46 | Mg | C2A L:Bcl1289 | 4.45 | Mg | C4B L:Bcl1289 | 3.08 | Mg | C4A L:Bcl1289 | 3.03 | Mg | C1D L:Bcl1289 | 3.08 | Mg | C3A L:Bcl1289 | 4.36 | Mg | C1C L:Bcl1289 | 3.01 | Mg | C2C L:Bcl1289 | 4.34 | Mg | CBD L:Bcl1289 | 4.93 | Mg | NB L:Bcl1289 | 2.05 | Mg | C3B L:Bcl1289 | 4.28 | Mg | MG L:Bcl1289 | 0.00 | Mg | C4D L:Bcl1289 | 2.93 | Mg | NC L:Bcl1289 | 2.06 | Mg | CHB L:Bcl1289 | 3.40 | Mg | CHC L:Bcl1289 | 3.35 | Mg | C3D L:Bcl1289 | 4.11 | Mg | C4C L:Bcl1289 | 3.03 | Mg | C2B L:Bcl1289 | 4.26 | Mg | CHD L:Bcl1289 | 3.38 | Mg | ND L:Bcl1289 | 2.04 | Mg | C1B L:Bcl1289 | 3.07 | Mg | C3C L:Bcl1289 | 4.36 | Mg | C1A L:Bcl1289 | 3.14 | Mg | CBB M:Bcl1304 | 3.94 | Mg | CAB M:Bcl1304 | 3.58 | Mg | OBB M:Bcl1304 | 3.25 | Mg | C3B M:Bcl1304 | 4.41 |
| interactive model:
| Magnesium binding site 3 out of 4 in 2uxk
|  Click to enlarge |  Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 3 of Magnesium in the PDB 2uxk. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Magnesium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: L: Phe181, M: His182, M: Bcl1303, M: Bph1311, | conact list:
Atom | Atom | Distance (A) | Mg | CE2 L:Phe181 | 4.76 | Mg | NE2 M:His182 | 2.01 | Mg | ND1 M:His182 | 4.15 | Mg | CD2 M:His182 | 2.94 | Mg | CE1 M:His182 | 3.08 | Mg | CG M:His182 | 4.12 | Mg | C2D M:Bcl1303 | 4.14 | Mg | NA M:Bcl1303 | 2.05 | Mg | CHA M:Bcl1303 | 3.40 | Mg | C2A M:Bcl1303 | 4.39 | Mg | C4B M:Bcl1303 | 3.05 | Mg | C4A M:Bcl1303 | 3.03 | Mg | C1D M:Bcl1303 | 3.06 | Mg | C3A M:Bcl1303 | 4.34 | Mg | C1C M:Bcl1303 | 2.98 | Mg | C2C M:Bcl1303 | 4.32 | Mg | CBD M:Bcl1303 | 4.87 | Mg | NB M:Bcl1303 | 2.05 | Mg | C3B M:Bcl1303 | 4.26 | Mg | MG M:Bcl1303 | 0.00 | Mg | C4D M:Bcl1303 | 2.89 | Mg | NC M:Bcl1303 | 2.05 | Mg | CHB M:Bcl1303 | 3.43 | Mg | CHC M:Bcl1303 | 3.33 | Mg | C3D M:Bcl1303 | 4.05 | Mg | C4C M:Bcl1303 | 3.02 | Mg | C2B M:Bcl1303 | 4.28 | Mg | CHD M:Bcl1303 | 3.36 | Mg | ND M:Bcl1303 | 2.02 | Mg | C1B M:Bcl1303 | 3.11 | Mg | C3C M:Bcl1303 | 4.34 | Mg | C1A M:Bcl1303 | 3.08 | Mg | OBB M:Bph1311 | 4.49 |
| interactive model:
| Magnesium binding site 4 out of 4 in 2uxk
|  Click to enlarge |  Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 4 of Magnesium in the PDB 2uxk. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Magnesium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: M: His202, L: Bcl1289, M: Bcl1304, | conact list:
Atom | Atom | Distance (A) | Mg | NE2 M:His202 | 2.01 | Mg | ND1 M:His202 | 4.06 | Mg | CD2 M:His202 | 3.13 | Mg | CE1 M:His202 | 2.88 | Mg | CG M:His202 | 4.21 | Mg | CBB L:Bcl1289 | 3.49 | Mg | CAB L:Bcl1289 | 3.70 | Mg | OBB L:Bcl1289 | 3.93 | Mg | C3B L:Bcl1289 | 4.43 | Mg | C2D M:Bcl1304 | 4.22 | Mg | NA M:Bcl1304 | 2.09 | Mg | CHA M:Bcl1304 | 3.42 | Mg | C2A M:Bcl1304 | 4.45 | Mg | C4B M:Bcl1304 | 3.06 | Mg | C4A M:Bcl1304 | 3.09 | Mg | C1D M:Bcl1304 | 3.10 | Mg | C3A M:Bcl1304 | 4.43 | Mg | C1C M:Bcl1304 | 3.01 | Mg | C2C M:Bcl1304 | 4.33 | Mg | CBD M:Bcl1304 | 4.88 | Mg | NB M:Bcl1304 | 2.04 | Mg | C3B M:Bcl1304 | 4.24 | Mg | MG M:Bcl1304 | 0.00 | Mg | C4D M:Bcl1304 | 2.92 | Mg | NC M:Bcl1304 | 2.06 | Mg | CHB M:Bcl1304 | 3.44 | Mg | CHC M:Bcl1304 | 3.38 | Mg | C3D M:Bcl1304 | 4.11 | Mg | C4C M:Bcl1304 | 3.04 | Mg | C2B M:Bcl1304 | 4.26 | Mg | CHD M:Bcl1304 | 3.44 | Mg | ND M:Bcl1304 | 2.04 | Mg | C1B M:Bcl1304 | 3.09 | Mg | C3C M:Bcl1304 | 4.36 | Mg | C1A M:Bcl1304 | 3.12 |
| interactive model:
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