The binding sites of Strontium atom in the structure of D(Cgtacg)2 Crosslinked Bis-Acridine Complex (pdb code 2gb9). This binding sites where shown with 5.0 Angstroms radius around Strontium atom.
The 2gb9 structure was solved by N.H.HOPCROFT, A.L.BROGDEN, M.SEARCEY, C.J.CARDIN, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
| Resolution (A) | 8.0-1.7 | | Space group | P4322 | | a (A) | 37.210 | | b (A) | 37.210 | | c (A) | 53.480 | | alpha (°) | 90.00 | | beta (°) | 90.00 | | gamma (°) | 90.00 | | Rfactor (%) | 21.3 | | Rfree (%) | 25.4 |
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Strontium binding site 1 out of 2 in 2gb9
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Click to enlarge | 
Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Strontium in the PDB 2gb9. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Strontium atom, shown by VdW sphere
Residues shown as a stick model or VDW spheres: A: Dc5, B: Dc5, A: Hoh227, A: Hoh235, A: Hoh245, B: Hoh313, B: Hoh315, B: Hoh333, B: Hoh339, B: Hoh356, | conact list:
| Atom | Atom | Distance (A) | | Sr | C5' A:Dc5 | 4.93 | | Sr | O4' B:Dc5 | 4.99 | | Sr | O A:Hoh227 | 2.85 | | Sr | O A:Hoh235 | 2.84 | | Sr | O A:Hoh245 | 3.55 | | Sr | O B:Hoh313 | 2.62 | | Sr | O B:Hoh315 | 2.49 | | Sr | O B:Hoh333 | 2.68 | | Sr | O B:Hoh339 | 4.82 | | Sr | O B:Hoh356 | 2.84 |
| interactive model:
| Strontium binding site 2 out of 2 in 2gb9
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Click to enlarge | 
Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Strontium in the PDB 2gb9. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Strontium atom, shown by VdW sphere
Residues shown as a stick model or VDW spheres: B: Dc5, B: Hoh316, B: Hoh349, | conact list:
| Atom | Atom | Distance (A) | | Sr | OP1 B:Dc5 | 4.33 | | Sr | O B:Hoh316 | 2.65 | | Sr | O B:Hoh349 | 2.21 |
| interactive model:
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