The binding sites of Iridium atom in the structure of Bacteriophage T4 Gene 59 Helicase Assembly Protein (pdb code 1c1k). This binding sites where shown with 5.0 Angstroms radius around Iridium atom. The 1c1k structure was solved by T.C.MUESER, C.E.JONES, N.G.NOSSAL, C.C.HYDE, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
Resolution (A) | 5.0-1.4 | Space group | P212121 | a (A) | 31.865 | b (A) | 65.882 | c (A) | 108.166 | alpha (°) | 90.00 | beta (°) | 90.00 | gamma (°) | 90.00 | Rfactor (%) | 20 | Rfree (%) | 25.3 |
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Iridium binding site 1 out of 2 in 1c1k
|  Click to enlarge |  Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Iridium in the PDB 1c1k. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Iridium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Met1, A: Lys203, A: Cl2222, A: Cl2223, A: Cl2224, A: Cl2225, A: Cl2226, A: Cl2227, | conact list:
Atom | Atom | Distance (A) | Ir | N A:Met1 | 4.26 | Ir | CE A:Lys203 | 4.65 | Ir | CD A:Lys203 | 4.55 | Ir | NZ A:Lys203 | 4.32 | Ir | CL A:Cl2222 | 1.55 | Ir | CL A:Cl2223 | 2.43 | Ir | CL A:Cl2224 | 2.40 | Ir | CL A:Cl2225 | 2.04 | Ir | CL A:Cl2226 | 2.36 | Ir | CL A:Cl2227 | 2.06 |
| interactive model:
| Iridium binding site 2 out of 2 in 1c1k
|  Click to enlarge |  Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Iridium in the PDB 1c1k. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Iridium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Lys133, A: Cl2229, A: Cl2230, A: Cl2231, A: Cl2232, A: Cl2233, A: Cl2234, | conact list:
Atom | Atom | Distance (A) | Ir | CE A:Lys133 | 4.73 | Ir | NZ A:Lys133 | 3.76 | Ir | CL A:Cl2229 | 2.88 | Ir | CL A:Cl2230 | 2.54 | Ir | CL A:Cl2231 | 3.04 | Ir | CL A:Cl2232 | 2.33 | Ir | CL A:Cl2233 | 2.06 | Ir | CL A:Cl2234 | 2.34 |
| interactive model:
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