Platinum in the structure of Soluble Quinoprotein Glucose Dehydrogenase From Acinetobacter Calcoaceticus (pdb 1qbi)

The binding sites of Platinum atom in the structure of Soluble Quinoprotein Glucose Dehydrogenase From Acinetobacter Calcoaceticus (pdb code 1qbi). This binding sites where shown with 5.0 Angstroms radius around Platinum atom. The 1qbi structure was solved by A.OUBRIE, H.J.ROZEBOOM, K.H.KALK, J.A.DUINE, B.W.DIJKSTRA, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 20.0-1.7 Space group P1211 a (A) 60.148 b (A) 92.100 c (A) 84.910 alpha (°) 90.00 beta (°) 105.17 gamma (°) 90.00 Rfactor (%) 16.5 Rfree (%) 20.8 Platinum Binding Sites: Platinum binding site 1 out of 2 in 1qbi Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Platinum in the PDB 1qbi. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Platinum atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Ser14, A: Asn16, A: Arg383, A: Val398, A: Pro399, A: Met400, A: Hoh753, A: Hoh974, A: Hoh993, conact list: Atom Atom Distance (A) Pt OG A:Ser14 4.32 Pt CA A:Ser14 4.94 Pt ND2 A:Asn16 4.88 Pt CZ A:Arg383 4.73 Pt NH2 A:Arg383 4.60 Pt NH1 A:Arg383 3.85 Pt CG1 A:Val398 4.72 Pt O A:Pro399 4.47 Pt CB A:Met400 4.92 Pt CG A:Met400 4.20 Pt SD A:Met400 4.79 Pt O A:Hoh753 3.50 Pt O A:Hoh974 3.33 Pt O A:Hoh993 4.02 interactive model: Platinum binding site 2 out of 2 in 1qbi Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Platinum in the PDB 1qbi. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Platinum atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: B: Trp367, B: Arg383, B: Val398, B: Pro399, B: Met400, B: Hoh870, B: Hoh966, conact list: Atom Atom Distance (A) Pt CZ2 B:Trp367 5.00 Pt CZ B:Arg383 4.78 Pt NE B:Arg383 4.39 Pt NH2 B:Arg383 4.15 Pt CG1 B:Val398 4.04 Pt O B:Pro399 4.67 Pt CB B:Met400 4.81 Pt CG B:Met400 3.64 Pt SD B:Met400 3.91 Pt O B:Hoh870 4.70 Pt O B:Hoh966 3.96 interactive model: