Potassium in the structure of Branched-Chain Alpha-Ketoacid Dehydrogenase Kinase (Bck) Complxed With Adp (pdb 1gkz)

The binding sites of Potassium atom in the structure of Branched-Chain Alpha-Ketoacid Dehydrogenase Kinase (Bck) Complxed With Adp (pdb code 1gkz). This binding sites where shown with 5.0 Angstroms radius around Potassium atom. The 1gkz structure was solved by M.MACHIUS, J.L.CHUANG, R.M.WYNN, D.R.TOMCHICK, D.T.CHUANG, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 40.8-2.2 Space group P42212 a (A) 128.917 b (A) 128.917 c (A) 74.105 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) 23.7 Rfree (%) 26.8 Potassium Binding Sites: Potassium binding site 1 out of 1 in 1gkz Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Potassium in the PDB 1gkz. 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: Arg297, A: Val298, A: Met299, A: Asp300, A: Tyr301, A: His302, A: Phe303, A: Thr304, A: Gly337, A: Phe338, A: Leu340, A: Pro341, A: Adp601, conact list: Atom Atom Distance (A) K O A:Arg297 4.66 K O A:Val298 2.92 K C A:Val298 3.79 K CA A:Val298 4.44 K N A:Met299 4.67 K C A:Met299 4.70 K CA A:Met299 4.85 K O A:Asp300 2.77 K N A:Asp300 4.22 K C A:Asp300 3.88 K CA A:Asp300 4.70 K N A:Tyr301 4.77 K C A:Tyr301 4.81 K CA A:Tyr301 4.74 K N A:His302 4.69 K C A:His302 4.77 K O A:Phe303 2.81 K N A:Phe303 3.97 K CB A:Phe303 4.00 K CD2 A:Phe303 4.56 K C A:Phe303 3.75 K CG A:Phe303 4.79 K CA A:Phe303 4.10 K N A:Thr304 4.90 K O A:Gly337 2.93 K C A:Gly337 3.60 K CA A:Gly337 3.91 K N A:Phe338 4.61 K CB A:Leu340 4.91 K N A:Pro341 4.91 K CD A:Pro341 3.56 K CG A:Pro341 4.09 K PA A:Adp601 3.91 K O2A A:Adp601 2.81 K C5' A:Adp601 3.69 K O5' A:Adp601 4.28 K O3A A:Adp601 4.19 interactive model: