The binding sites of Strontium atom in the structure of Crystal Structure of the Colicin I Receptor Cir From E.Coli (pdb code 2hdf). This binding sites where shown with 5.0 Angstroms radius around Strontium atom.
The 2hdf structure was solved by S.K.BUCHANAN, L.ESSER, P.LUKACIK, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
| Resolution (A) | 15.0-2.6 | | Space group | C121 | | a (A) | 90.593 | | b (A) | 84.336 | | c (A) | 99.458 | | alpha (°) | 90.00 | | beta (°) | 109.16 | | gamma (°) | 90.00 | | Rfactor (%) | 23.9 | | Rfree (%) | 29.1 |
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Strontium binding site 1 out of 1 in 2hdf
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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 2hdf. 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: Asn123, A: Trp124, A: Ser206, A: Ser234, A: Arg235, A: Asp236, A: Asp258, | conact list:
| Atom | Atom | Distance (A) | | Sr | O A:Asn123 | 3.39 | | Sr | C A:Asn123 | 4.20 | | Sr | N A:Trp124 | 4.23 | | Sr | CB A:Trp124 | 3.96 | | Sr | C A:Trp124 | 4.03 | | Sr | CA A:Trp124 | 3.36 | | Sr | O A:Trp124 | 3.77 | | Sr | OG A:Ser206 | 4.39 | | Sr | CB A:Ser234 | 3.90 | | Sr | OG A:Ser234 | 2.99 | | Sr | C A:Ser234 | 4.89 | | Sr | CA A:Ser234 | 4.95 | | Sr | O A:Arg235 | 4.88 | | Sr | N A:Arg235 | 4.84 | | Sr | C A:Arg235 | 4.89 | | Sr | CB A:Asp236 | 4.38 | | Sr | OD2 A:Asp236 | 3.04 | | Sr | OD1 A:Asp236 | 4.84 | | Sr | CG A:Asp236 | 3.93 | | Sr | OD2 A:Asp258 | 4.46 | | Sr | OD1 A:Asp258 | 2.93 | | Sr | CG A:Asp258 | 4.05 |
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