Copper in the structure of Ribonuclease A Copper Complex (pdb 1aqp)

The binding sites of Copper atom in the structure of Ribonuclease A Copper Complex (pdb code 1aqp). This binding sites where shown with 5.0 Angstroms radius around Copper atom. The 1aqp structure was solved by N.RAMASUBBU, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 8.0-2.0 Space group C121 a (A) 58.180 b (A) 53.800 c (A) 42.900 alpha (°) 90.00 beta (°) 118.90 gamma (°) 90.00 Rfactor (%) 20 Rfree (%) n/a Copper Binding Sites: Copper binding site 1 out of 2 in 1aqp Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Copper in the PDB 1aqp. 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: Ser75, A: Tyr76, A: Ser77, A: Thr78, A: His105, conact list: Atom Atom Distance (A) Cu O A:Ser75 4.91 Cu C A:Tyr76 3.49 Cu CA A:Tyr76 4.66 Cu O A:Tyr76 2.32 Cu N A:Ser77 4.17 Cu C A:Ser77 4.52 Cu CA A:Ser77 3.98 Cu N A:Thr78 4.85 Cu H A:Thr78 4.72 Cu NE2 A:His105 2.02 Cu ND1 A:His105 4.06 Cu CD2 A:His105 3.07 Cu CE1 A:His105 2.92 Cu HD1 A:His105 4.92 Cu HE2 A:His105 1.08 Cu CG A:His105 4.17 interactive model: Copper binding site 2 out of 2 in 1aqp Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Copper in the PDB 1aqp. 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: Glu111, A: Val118, A: His119, A: Hoh128, A: Hoh144, A: Hoh146, A: Hoh180, A: Hoh202, A: Hoh203, conact list: Atom Atom Distance (A) Cu OE1 A:Glu111 3.22 Cu OE2 A:Glu111 2.12 Cu CD A:Glu111 3.01 Cu CG A:Glu111 4.41 Cu CG1 A:Val118 4.24 Cu NE2 A:His119 2.11 Cu ND1 A:His119 4.23 Cu CD2 A:His119 3.04 Cu CE1 A:His119 3.14 Cu HE2 A:His119 1.16 Cu CG A:His119 4.21 Cu O A:Hoh128 2.61 Cu H1 A:Hoh128 3.30 Cu H2 A:Hoh128 3.20 Cu H1 A:Hoh144 4.96 Cu O A:Hoh146 2.36 Cu H1 A:Hoh146 3.07 Cu H2 A:Hoh146 3.03 Cu O A:Hoh180 2.13 Cu H1 A:Hoh180 3.03 Cu H2 A:Hoh180 2.46 Cu O A:Hoh202 4.73 Cu O A:Hoh203 4.72 Cu H1 A:Hoh203 4.89 interactive model: