Magnesium in the structure of Extension of A Cytosine-8-Oxoguanine Base Pair (pdb 1u48)

The binding sites of Magnesium atom in the structure of Extension of A Cytosine-8-Oxoguanine Base Pair (pdb code 1u48). This binding sites where shown with 5.0 Angstroms radius around Magnesium atom. The 1u48 structure was solved by G.W.HSU, M.OBER, T.CARELL, L.S.BEESE, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 40.8-2.1 Space group P212121 a (A) 87.342 b (A) 93.265 c (A) 106.084 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) 20.5 Rfree (%) 23.9 Magnesium Binding Sites: Magnesium binding site 1 out of 1 in 1u48 Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Magnesium in the PDB 1u48. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Magnesium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Asp653, A: Tyr654, A: Ser655, A: Gln656, A: Asp830, A: Hoh2512, A: Hoh2525, A: Hoh2818, A: Hoh2915, A: Hoh3202, A: Hoh3456, conact list: Atom Atom Distance (A) Mg O A:Asp653 4.90 Mg CB A:Asp653 3.85 Mg OD2 A:Asp653 4.79 Mg C A:Asp653 4.60 Mg OD1 A:Asp653 2.71 Mg CG A:Asp653 3.64 Mg CA A:Asp653 4.87 Mg O A:Tyr654 2.80 Mg N A:Tyr654 4.60 Mg C A:Tyr654 3.95 Mg CA A:Tyr654 4.94 Mg N A:Ser655 4.71 Mg CA A:Ser655 4.58 Mg N A:Gln656 4.97 Mg OD2 A:Asp830 3.05 Mg OD1 A:Asp830 4.38 Mg CG A:Asp830 3.97 Mg O A:Hoh2512 3.81 Mg O A:Hoh2525 3.06 Mg O A:Hoh2818 4.16 Mg O A:Hoh2915 4.53 Mg O A:Hoh3202 3.20 Mg O A:Hoh3456 3.15 interactive model: