The binding sites of Mercury atom in the structure of Carbonic Anhydrase II in Complex With Saccharin At 1.95 Angstrom (pdb code 2q38). This binding sites where shown with 5.0 Angstroms radius around Mercury atom.
The 2q38 structure was solved by J.SCHULZE WISCHELER, A.HEINE, G.KLEBE, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
| Resolution (A) | 20.0-1.9 | | Space group | P1211 | | a (A) | 42.200 | | b (A) | 41.400 | | c (A) | 72.200 | | alpha (°) | 90.00 | | beta (°) | 104.60 | | gamma (°) | 90.00 | | Rfactor (%) | 18.4 | | Rfree (%) | 26 |
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Mercury binding site 1 out of 1 in 2q38
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Click to enlarge | 
Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Mercury in the PDB 2q38. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Mercury atom, shown by VdW sphere
Residues shown as a stick model or VDW spheres: A: Val135, A: Gln136, A: Gln137, A: Pro138, A: Leu204, A: Glu205, A: Cys206, A: Bez700, A: Hoh817, | conact list:
| Atom | Atom | Distance (A) | | Hg | O A:Val135 | 3.79 | | Hg | C A:Val135 | 4.27 | | Hg | CA A:Val135 | 5.00 | | Hg | O A:Gln136 | 4.75 | | Hg | N A:Gln136 | 4.67 | | Hg | C A:Gln136 | 4.17 | | Hg | CA A:Gln136 | 4.55 | | Hg | O A:Gln137 | 2.88 | | Hg | N A:Gln137 | 3.76 | | Hg | C A:Gln137 | 3.47 | | Hg | CA A:Gln137 | 4.18 | | Hg | N A:Pro138 | 4.12 | | Hg | CA A:Pro138 | 4.32 | | Hg | CB A:Leu204 | 4.76 | | Hg | C A:Leu204 | 4.80 | | Hg | O A:Glu205 | 3.29 | | Hg | N A:Glu205 | 4.23 | | Hg | C A:Glu205 | 3.48 | | Hg | CA A:Glu205 | 4.40 | | Hg | N A:Cys206 | 3.57 | | Hg | CB A:Cys206 | 3.06 | | Hg | SG A:Cys206 | 2.02 | | Hg | C A:Cys206 | 4.88 | | Hg | CA A:Cys206 | 3.41 | | Hg | C6 A:Bez700 | 4.24 | | Hg | C5 A:Bez700 | 2.85 | | Hg | C4 A:Bez700 | 2.20 | | Hg | C1 A:Bez700 | 4.98 | | Hg | C3 A:Bez700 | 3.36 | | Hg | C2 A:Bez700 | 4.59 | | Hg | O A:Hoh817 | 3.66 |
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