Potassium in the structure of Crystal Structure of Glucuronate Isomerase From Caulobacter Crescentus (pdb 2q01)

The binding sites of Potassium atom in the structure of Crystal Structure of Glucuronate Isomerase From Caulobacter Crescentus (pdb code 2q01). This binding sites where shown with 5.0 Angstroms radius around Potassium atom. The 2q01 structure was solved by Y.PATSKOVSKY, J.BONANNO, V.SRIDHAR, J.M.SAUDER, J.FREEMAN, A.POWELL, J.KOSS, C.GROSHONG, T.GHEYI, S.R.WASSERMAN, F.RAUSHEL, S.K.BURLEY, S.C.ALMO, NEW YORK SGX RESEARCH CENTER FOR STRUCTURAL GENOMICS(NYSGXRC), with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 20.0-2.3 Space group F222 a (A) 177.332 b (A) 190.176 c (A) 319.290 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) 19.8 Rfree (%) 25.1 Potassium Binding Sites: Potassium binding site 1 out of 3 in 2q01 Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Potassium in the PDB 2q01. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Ala373, A: Tyr376, A: Pro377, A: Val378, A: Leu379, A: Lys380, A: Asn409, B: Ser73, B: Gln74, A: Hoh604, conact list: Atom Atom Distance (A) K O A:Ala373 2.88 K C A:Ala373 4.00 K CB A:Ala373 4.89 K CA A:Ala373 4.50 K O A:Tyr376 2.84 K N A:Tyr376 4.94 K C A:Tyr376 3.94 K O A:Pro377 4.10 K N A:Pro377 4.56 K C A:Pro377 4.24 K CA A:Pro377 4.39 K N A:Val378 4.84 K C A:Val378 4.97 K O A:Leu379 2.62 K N A:Leu379 4.21 K CB A:Leu379 4.82 K C A:Leu379 3.80 K CA A:Leu379 4.46 K N A:Lys380 4.86 K CD A:Lys380 4.54 K CB A:Asn409 4.54 K ND2 A:Asn409 4.17 K OD1 A:Asn409 2.93 K CG A:Asn409 3.65 K O B:Ser73 2.99 K CB B:Ser73 4.11 K OG B:Ser73 4.31 K C B:Ser73 4.00 K CA B:Ser73 4.37 K NE2 B:Gln74 4.89 K O A:Hoh604 2.63 interactive model: Potassium binding site 2 out of 3 in 2q01 Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Potassium in the PDB 2q01. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: B: Ala373, B: Tyr376, B: Pro377, B: Val378, B: Leu379, B: Lys380, B: Asn409, C: Ser73, C: Gln74, B: Hoh578, B: Hoh616, conact list: Atom Atom Distance (A) K O B:Ala373 2.90 K C B:Ala373 4.02 K CB B:Ala373 4.92 K CA B:Ala373 4.52 K O B:Tyr376 2.73 K N B:Tyr376 4.88 K C B:Tyr376 3.88 K CA B:Tyr376 4.95 K O B:Pro377 4.09 K N B:Pro377 4.57 K C B:Pro377 4.25 K CA B:Pro377 4.42 K N B:Val378 4.83 K O B:Leu379 2.58 K N B:Leu379 4.15 K CB B:Leu379 4.80 K C B:Leu379 3.75 K CA B:Leu379 4.43 K N B:Lys380 4.79 K CD B:Lys380 4.57 K CA B:Lys380 4.98 K CB B:Asn409 4.49 K ND2 B:Asn409 4.34 K OD1 B:Asn409 2.71 K CG B:Asn409 3.63 K O C:Ser73 3.15 K CB C:Ser73 4.11 K OG C:Ser73 4.19 K C C:Ser73 4.07 K CA C:Ser73 4.39 K NE2 C:Gln74 4.76 K O B:Hoh578 2.62 K O B:Hoh616 4.62 interactive model: Potassium binding site 3 out of 3 in 2q01 Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 3 of Potassium in the PDB 2q01. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Potassium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Ser73, A: Gln74, C: Ala373, C: Tyr376, C: Pro377, C: Val378, C: Leu379, C: Lys380, C: Asn409, A: Hoh599, conact list: Atom Atom Distance (A) K O A:Ser73 3.01 K CB A:Ser73 4.13 K OG A:Ser73 4.01 K C A:Ser73 3.99 K CA A:Ser73 4.35 K NE2 A:Gln74 4.94 K O C:Ala373 2.80 K C C:Ala373 3.91 K CB C:Ala373 4.82 K CA C:Ala373 4.43 K O C:Tyr376 2.77 K N C:Tyr376 4.80 K C C:Tyr376 3.86 K CA C:Tyr376 4.91 K O C:Pro377 4.19 K N C:Pro377 4.52 K C C:Pro377 4.31 K CA C:Pro377 4.39 K N C:Val378 4.93 K O C:Leu379 2.53 K N C:Leu379 4.22 K CB C:Leu379 4.78 K C C:Leu379 3.72 K CA C:Leu379 4.42 K N C:Lys380 4.76 K CD C:Lys380 4.63 K CA C:Lys380 4.97 K NZ C:Lys380 4.93 K CB C:Asn409 4.49 K ND2 C:Asn409 4.34 K OD1 C:Asn409 2.80 K CG C:Asn409 3.65 K O A:Hoh599 2.62 interactive model: