The binding sites of Platinum atom in the structure of Crystal Structure Of the Middle Operon Regulator Protein of Bacteriophage Mu (pdb code 1rr7). This binding sites where shown with 5.0 Angstroms radius around Platinum atom.
The 1rr7 structure was solved by M.KUMARASWAMI, M.M.HOWE, H.W.PARK, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
| Resolution (A) | 30.0-2.2 | | Space group | P3221 | | a (A) | 81.631 | | b (A) | 81.631 | | c (A) | 44.843 | | alpha (°) | 90.00 | | beta (°) | 90.00 | | gamma (°) | 120.00 | | Rfactor (%) | 25.2 | | Rfree (%) | 26.8 |
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Platinum binding site 1 out of 2 in 1rr7
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Click to enlarge | 
Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Platinum in the PDB 1rr7. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Platinum atom, shown by VdW sphere
Residues shown as a stick model or VDW spheres: A: His63, | conact list:
| Atom | Atom | Distance (A) | | Pt | O A:His63 | 3.60 | | Pt | NE2 A:His63 | 4.14 | | Pt | CB A:His63 | 3.54 | | Pt | ND1 A:His63 | 2.11 | | Pt | CD2 A:His63 | 4.23 | | Pt | C A:His63 | 4.14 | | Pt | CE1 A:His63 | 2.99 | | Pt | CG A:His63 | 3.16 | | Pt | CA A:His63 | 3.76 |
| interactive model:
| Platinum binding site 2 out of 2 in 1rr7
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Click to enlarge | 
Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Platinum in the PDB 1rr7. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Platinum atom, shown by VdW sphere
Residues shown as a stick model or VDW spheres: A: Met116, A: Hoh215, | conact list:
| Atom | Atom | Distance (A) | | Pt | CB A:Met116 | 4.93 | | Pt | CE A:Met116 | 3.60 | | Pt | CG A:Met116 | 3.99 | | Pt | SD A:Met116 | 2.33 | | Pt | O A:Hoh215 | 4.49 |
| interactive model:
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