The binding sites of Zinc atom in the structure of Trna-Guanine Transglycosylase (Tgt) Mutant in Complex With 7-Deaza-7- Aminomethyl-Guanine (pdb code 2nqz). This binding sites where shown with 5.0 Angstroms radius around Zinc atom. The 2nqz structure was solved by N.TIDTEN, A.HEINE, K.REUTER, G.KLEBE, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
Resolution (A) | 8.0-1.5 | Space group | C121 | a (A) | 89.900 | b (A) | 64.930 | c (A) | 71.180 | alpha (°) | 90.00 | beta (°) | 96.36 | gamma (°) | 90.00 | Rfactor (%) | 15 | Rfree (%) | 19.8 |
|
Zinc binding site 1 out of 1 in 2nqz
|  Click to enlarge |  Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Zinc in the PDB 2nqz. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Zinc atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Cys318, A: Cys320, A: Val322, A: Cys323, A: His349, | conact list:
Atom | Atom | Distance (A) | Zn | O A:Cys318 | 4.84 | Zn | CB A:Cys318 | 3.24 | Zn | SG A:Cys318 | 2.29 | Zn | C A:Cys318 | 4.67 | Zn | CA A:Cys318 | 4.53 | Zn | O A:Cys320 | 4.60 | Zn | N A:Cys320 | 4.13 | Zn | CB A:Cys320 | 3.36 | Zn | SG A:Cys320 | 2.32 | Zn | C A:Cys320 | 4.63 | Zn | CA A:Cys320 | 4.20 | Zn | CB A:Val322 | 4.80 | Zn | C A:Val322 | 4.95 | Zn | N A:Cys323 | 3.94 | Zn | CB A:Cys323 | 3.35 | Zn | SG A:Cys323 | 2.33 | Zn | CA A:Cys323 | 4.23 | Zn | O A:His349 | 4.56 | Zn | NE2 A:His349 | 4.08 | Zn | CB A:His349 | 3.75 | Zn | ND1 A:His349 | 2.08 | Zn | CD2 A:His349 | 4.29 | Zn | C A:His349 | 4.79 | Zn | CE1 A:His349 | 2.83 | Zn | CG A:His349 | 3.28 | Zn | CA A:His349 | 4.13 |
| interactive model:
|
|