The binding sites of Potassium atom in the structure of Sulfite Reductase Structure Reduced With Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1 (pdb code 5aop). This binding sites where shown with 5.0 Angstroms radius around Potassium atom. The 5aop structure was solved by B.R.CRANE, E.D.GETZOFF, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
Resolution (A) | 10.0-2.2 | Space group | P212121 | a (A) | 69.800 | b (A) | 77.400 | c (A) | 87.800 | alpha (°) | 90.00 | beta (°) | 90.00 | gamma (°) | 90.00 | Rfactor (%) | 16.4 | Rfree (%) | n/a |
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Potassium binding site 1 out of 1 in 5aop
|  Click to enlarge |  Click to enlarge | Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Potassium in the PDB 5aop. 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: Phe361, A: Ile362, A: Glu363, A: Asn364, A: Gly365, A: Asn395, A: Gln396, A: Asn397, A: Hoh631, A: Hoh639, A: Hoh765, | conact list:
Atom | Atom | Distance (A) | K | CD1 A:Phe361 | 4.20 | K | CZ A:Phe361 | 4.81 | K | CE1 A:Phe361 | 4.00 | K | O A:Ile362 | 2.62 | K | N A:Ile362 | 4.16 | K | C A:Ile362 | 3.63 | K | CA A:Ile362 | 4.49 | K | N A:Glu363 | 4.43 | K | C A:Glu363 | 4.67 | K | CA A:Glu363 | 4.48 | K | N A:Asn364 | 4.16 | K | C A:Asn364 | 4.98 | K | CA A:Asn364 | 4.90 | K | N A:Gly365 | 4.29 | K | CA A:Gly365 | 5.00 | K | O A:Asn395 | 2.86 | K | C A:Asn395 | 4.01 | K | O A:Gln396 | 3.38 | K | N A:Gln396 | 4.58 | K | OE1 A:Gln396 | 4.44 | K | CB A:Gln396 | 3.94 | K | C A:Gln396 | 3.69 | K | CA A:Gln396 | 4.24 | K | N A:Asn397 | 4.25 | K | CB A:Asn397 | 4.60 | K | ND2 A:Asn397 | 3.70 | K | OD1 A:Asn397 | 2.83 | K | CG A:Asn397 | 3.45 | K | CA A:Asn397 | 4.58 | K | O A:Hoh631 | 3.26 | K | O A:Hoh639 | 3.17 | K | O A:Hoh765 | 2.84 |
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