The binding sites of Potassium atom in the structure of Cytochrome C Peroxidase in Complex With 3-Fluorocatechol (pdb code 2as4). This binding sites where shown with 5.0 Angstroms radius around Potassium atom. The 2as4 structure was solved by R.BRENK, S.W.VETTER, S.E.BOYCE, D.B.GOODIN, B.K.SHOICHET, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
Resolution (A) | 10.0-1.3 | Space group | P212121 | a (A) | 51.240 | b (A) | 75.490 | c (A) | 107.040 | alpha (°) | 90.00 | beta (°) | 90.00 | gamma (°) | 90.00 | Rfactor (%) | n/a | Rfree (%) | 17.5 |
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Potassium binding site 1 out of 1 in 2as4
|  Click to enlarge |  Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Potassium in the PDB 2as4. 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: His175, A: Ala176, A: Leu177, A: Gly178, A: Lys179, A: Thr180, A: Gly191, A: Hem400, A: 3fa500, A: Hoh1000, A: Hoh1001, A: Hoh1002, A: Hoh1003, A: Hoh1004, A: Hoh1561, | conact list:
Atom | Atom | Distance (A) | K | O A:His175 | 2.99 | K | CB A:His175 | 4.49 | K | CD2 A:His175 | 4.75 | K | C A:His175 | 3.82 | K | CG A:His175 | 4.74 | K | CA A:His175 | 4.06 | K | N A:Ala176 | 4.91 | K | C A:Ala176 | 4.78 | K | O A:Leu177 | 2.87 | K | N A:Leu177 | 4.50 | K | C A:Leu177 | 3.90 | K | CA A:Leu177 | 4.84 | K | O A:Gly178 | 3.81 | K | N A:Gly178 | 4.64 | K | C A:Gly178 | 3.81 | K | CA A:Gly178 | 4.61 | K | O A:Lys179 | 4.78 | K | N A:Lys179 | 3.83 | K | C A:Lys179 | 4.29 | K | CA A:Lys179 | 3.90 | K | N A:Thr180 | 4.63 | K | N A:Gly191 | 4.48 | K | C3D A:Hem400 | 4.78 | K | CHA A:Hem400 | 5.00 | K | CAD A:Hem400 | 4.48 | K | C6 A:3fa500 | 2.48 | K | C5 A:3fa500 | 1.37 | K | O2 A:3fa500 | 4.61 | K | C4 A:3fa500 | 3.29 | K | C1 A:3fa500 | 2.62 | K | O1 A:3fa500 | 3.59 | K | C3 A:3fa500 | 1.50 | K | F1 A:3fa500 | 1.93 | K | C2 A:3fa500 | 3.34 | K | O A:Hoh1000 | 3.04 | K | O A:Hoh1000 | 4.71 | K | O A:Hoh1001 | 4.24 | K | O A:Hoh1002 | 3.90 | K | O A:Hoh1003 | 3.09 | K | O A:Hoh1004 | 2.64 | K | O A:Hoh1561 | 4.55 |
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