The binding sites of Potassium atom in the structure of Crystal Structure of Staphylococcal Superantigen-Like Protein 11 in Complex With Sialyl Lewis X (pdb code 2rdg). This binding sites where shown with 5.0 Angstroms radius around Potassium atom. The 2rdg structure was solved by M.C.CHUNG, B.D.WINES, H.BAKER, R.J.LANGLEY, E.N.BAKER, J.D.FRASER, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
Resolution (A) | 22.4-1.6 | Space group | C121 | a (A) | 97.031 | b (A) | 57.945 | c (A) | 43.462 | alpha (°) | 90.00 | beta (°) | 101.83 | gamma (°) | 90.00 | Rfactor (%) | 17.4 | Rfree (%) | 20.7 |
|
Potassium binding site 1 out of 3 in 2rdg
|  Click to enlarge |  Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Potassium in the PDB 2rdg. 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: Gln99, A: Asn100, A: Val101, A: Lys162, A: Hoh664, A: Hoh832, A: Hoh859, A: Hoh910, A: Hoh916, A: Hoh944, A: Hoh945, | conact list:
Atom | Atom | Distance (A) | K | NE2 A:Gln99 | 4.16 | K | OE1 A:Gln99 | 2.89 | K | CD A:Gln99 | 3.64 | K | CG A:Gln99 | 4.62 | K | O A:Asn100 | 2.64 | K | N A:Asn100 | 4.49 | K | C A:Asn100 | 3.85 | K | CA A:Asn100 | 4.73 | K | N A:Val101 | 4.73 | K | CG1 A:Val101 | 4.58 | K | CA A:Val101 | 4.64 | K | NZ A:Lys162 | 4.56 | K | O A:Hoh664 | 2.73 | K | O A:Hoh832 | 2.91 | K | O A:Hoh859 | 3.03 | K | O A:Hoh910 | 4.59 | K | O A:Hoh916 | 4.21 | K | O A:Hoh944 | 2.70 | K | O A:Hoh945 | 4.40 |
| interactive model:
| Potassium binding site 2 out of 3 in 2rdg
|  Click to enlarge |  Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 2 of Potassium in the PDB 2rdg. 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: Gln8, A: Gln11, A: Cit608, A: Hoh757, A: Hoh854, A: Hoh902, | conact list:
Atom | Atom | Distance (A) | K | NE2 A:Gln8 | 4.00 | K | OE1 A:Gln8 | 3.18 | K | CD A:Gln8 | 3.99 | K | NE2 A:Gln11 | 4.34 | K | OE1 A:Gln11 | 2.78 | K | CD A:Gln11 | 3.86 | K | C6 A:Cit608 | 3.73 | K | O5 A:Cit608 | 4.79 | K | O2 A:Cit608 | 2.76 | K | C1 A:Cit608 | 3.83 | K | O1 A:Cit608 | 4.79 | K | C3 A:Cit608 | 3.83 | K | O7 A:Cit608 | 2.90 | K | O3 A:Cit608 | 4.67 | K | O6 A:Cit608 | 3.04 | K | C2 A:Cit608 | 4.39 | K | O A:Hoh757 | 3.62 | K | O A:Hoh854 | 3.00 | K | O A:Hoh902 | 3.27 |
| interactive model:
| Potassium binding site 3 out of 3 in 2rdg
|  Click to enlarge |  Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 3 of Potassium in the PDB 2rdg. 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: Ser108, A: Thr109, A: Gly110, A: Gln111, A: His112, A: Thr113, A: Thr114, A: Hoh752, | conact list:
Atom | Atom | Distance (A) | K | CB A:Ser108 | 3.84 | K | OG A:Ser108 | 2.96 | K | C A:Ser108 | 4.99 | K | CA A:Ser108 | 4.24 | K | N A:Thr109 | 4.86 | K | O A:Gly110 | 2.90 | K | N A:Gly110 | 4.85 | K | C A:Gly110 | 4.13 | K | O A:Gln111 | 3.56 | K | N A:Gln111 | 4.91 | K | C A:Gln111 | 4.01 | K | CA A:Gln111 | 4.74 | K | N A:His112 | 4.44 | K | C A:His112 | 4.38 | K | CA A:His112 | 4.63 | K | O A:Thr113 | 3.14 | K | N A:Thr113 | 3.91 | K | C A:Thr113 | 3.92 | K | CA A:Thr113 | 4.54 | K | N A:Thr114 | 4.74 | K | OG1 A:Thr114 | 3.80 | K | O A:Hoh752 | 2.93 |
| interactive model:
|
|