The binding sites of Strontium atom in the structure of Crystal Structure of An Rna Quadruplex Containing Inosine- Tetrad (pdb code 2grb). This binding sites where shown with 5.0 Angstroms radius around Strontium atom.
The 2grb structure was solved by B.PAN, K.SHI, M.SUNDARALINGAM, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
| Resolution (A) | 8.0-1.4 | | Space group | P1211 | | a (A) | 29.060 | | b (A) | 52.738 | | c (A) | 37.344 | | alpha (°) | 90.00 | | beta (°) | 102.98 | | gamma (°) | 90.00 | | Rfactor (%) | 19.5 | | Rfree (%) | 25 |
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Strontium binding site 1 out of 1 in 2grb
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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 2grb. 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: G5, B: U6, D: G5, B: Hoh20, B: Hoh63, B: Hoh104, B: Hoh132, B: Hoh175, | conact list:
| Atom | Atom | Distance (A) | | Sr | OP2 B:G5 | 4.43 | | Sr | C3' B:U6 | 3.89 | | Sr | C1' B:U6 | 4.10 | | Sr | O2 B:U6 | 4.59 | | Sr | O3' B:U6 | 2.78 | | Sr | O4' B:U6 | 4.90 | | Sr | C2' B:U6 | 3.92 | | Sr | C4' B:U6 | 4.82 | | Sr | O2' B:U6 | 3.15 | | Sr | O2' D:G5 | 4.34 | | Sr | O B:Hoh20 | 4.03 | | Sr | O B:Hoh63 | 2.83 | | Sr | O B:Hoh104 | 4.41 | | Sr | O B:Hoh132 | 2.48 | | Sr | O B:Hoh175 | 2.56 |
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