Copper in the structure of Reduced Bovine Superoxide Dismutase At pH 5.0 (pdb 1sxn)

The binding sites of Copper atom in the structure of Reduced Bovine Superoxide Dismutase At pH 5.0 (pdb code 1sxn). This binding sites where shown with 5.0 Angstroms radius around Copper atom. The 1sxn structure was solved by M.FERRARONI, W.R.RYPNIEWSKI, B.BRUNI, P.ORIOLI, K.S.WILSON, S.MANGANI, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 10.0-1.9 Space group C2221 a (A) 104.690 b (A) 197.800 c (A) 50.830 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) 18 Rfree (%) n/a Copper Binding Sites: Copper binding site 1 out of 2 in 1sxn Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Copper in the PDB 1sxn. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Copper atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: His44, A: His46, A: His61, A: Val116, A: His118, A: Hoh377, A: Hoh378, A: Hoh380, A: Hoh401, conact list: Atom Atom Distance (A) Cu NE2 A:His44 4.09 Cu N A:His44 4.67 Cu CB A:His44 3.23 Cu ND1 A:His44 2.07 Cu CD2 A:His44 4.03 Cu CE1 A:His44 3.02 Cu CG A:His44 2.91 Cu CA A:His44 4.57 Cu NE2 A:His46 2.26 Cu ND1 A:His46 4.12 Cu CD2 A:His46 3.48 Cu CE1 A:His46 2.89 Cu CG A:His46 4.43 Cu NE2 A:His61 2.20 Cu ND1 A:His61 4.25 Cu CD2 A:His61 3.03 Cu CE1 A:His61 3.27 Cu CG A:His61 4.22 Cu CB A:Val116 4.74 Cu CG1 A:Val116 4.76 Cu NE2 A:His118 2.08 Cu ND1 A:His118 4.01 Cu CD2 A:His118 3.16 Cu CE1 A:His118 2.82 Cu CG A:His118 4.17 Cu O A:Hoh377 2.64 Cu O A:Hoh378 2.88 Cu O A:Hoh380 4.83 Cu O A:Hoh401 4.61 interactive model: Copper binding site 2 out of 2 in 1sxn Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Copper in the PDB 1sxn. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Copper atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: B: His44, B: His46, B: His61, B: Val116, B: His118, B: Hoh178, B: Hoh182, B: Hoh192, B: Hoh221, conact list: Atom Atom Distance (A) Cu O B:His44 4.86 Cu NE2 B:His44 4.24 Cu N B:His44 4.42 Cu CB B:His44 3.15 Cu ND1 B:His44 2.03 Cu CD2 B:His44 4.07 Cu C B:His44 4.87 Cu CE1 B:His44 3.27 Cu CG B:His44 2.77 Cu CA B:His44 4.38 Cu NE2 B:His46 2.43 Cu ND1 B:His46 4.48 Cu CD2 B:His46 3.31 Cu CE1 B:His46 3.40 Cu CG B:His46 4.46 Cu NE2 B:His61 2.38 Cu ND1 B:His61 4.41 Cu CD2 B:His61 3.14 Cu CE1 B:His61 3.44 Cu CG B:His61 4.32 Cu CB B:Val116 4.60 Cu CG1 B:Val116 4.67 Cu NE2 B:His118 2.09 Cu ND1 B:His118 4.06 Cu CD2 B:His118 3.06 Cu CE1 B:His118 2.96 Cu CG B:His118 4.10 Cu O B:Hoh178 2.57 Cu O B:Hoh182 4.96 Cu O B:Hoh192 4.93 Cu O B:Hoh221 4.95 interactive model: