Potassium in PDB 3zdb: Structure of E. Coli Exoix in Complex with the Palindromic 5OV4 Dna Oligonucleotide, Di-Magnesium and Potassium

The structure of Structure of E. Coli Exoix in Complex with the Palindromic 5OV4 Dna Oligonucleotide, Di-Magnesium and Potassium, PDB code: 3zdb was solved by G.R.Hemsworth, C.S.Anstey-Gilbert, C.S.Flemming, M.R.G.Hodskinson, J.Zhang, S.E.Sedelnikova, T.J.Stillman, J.R.Sayers, P.J.Artymiuk, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	33.67 / 1.47
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	66.238, 152.302, 34.522, 90.00, 90.00, 90.00
R / Rfree (%)	20.287 / 23.054

The structure of Structure of E. Coli Exoix in Complex with the Palindromic 5OV4 Dna Oligonucleotide, Di-Magnesium and Potassium also contains other interesting chemical elements:

Magnesium

(Mg)

3 atoms

The binding sites of Potassium atom in the Structure of E. Coli Exoix in Complex with the Palindromic 5OV4 Dna Oligonucleotide, Di-Magnesium and Potassium (pdb code 3zdb). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Structure of E. Coli Exoix in Complex with the Palindromic 5OV4 Dna Oligonucleotide, Di-Magnesium and Potassium, PDB code: 3zdb:

Potassium binding site 1 out of 1 in the Structure of E. Coli Exoix in Complex with the Palindromic 5OV4 Dna Oligonucleotide, Di-Magnesium and Potassium


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of E. Coli Exoix in Complex with the Palindromic 5OV4 Dna Oligonucleotide, Di-Magnesium and Potassium within 5.0Å range: probe atom residue distance (Å) B Occ A:K1251 b:19.8 occ:0.40 O A:HOH2151 0.8 21.4 0.6 MG A:MG1252 1.5 20.6 0.6 O A:ILE185 2.4 24.2 1.0 O A:ALA172 2.7 22.8 1.0 OP2 X:DC10 2.9 25.7 1.0 O A:VAL182 2.9 22.8 1.0 O A:HOH2148 3.0 32.5 1.0 O A:PRO180 3.1 23.6 1.0 C A:ALA172 3.2 22.6 1.0 O A:LEU171 3.4 21.1 1.0 C A:ILE185 3.6 21.6 1.0 O A:HOH2149 3.7 29.0 1.0 C A:VAL182 3.7 22.6 1.0 CA A:ALA172 3.8 18.3 1.0 N A:VAL182 3.9 21.3 1.0 P X:DC10 3.9 27.3 1.0 OP1 X:DC10 4.0 28.9 1.0 N A:GLY173 4.0 17.9 1.0 N A:ILE185 4.1 24.9 1.0 C A:GLY181 4.3 21.6 1.0 C A:PRO180 4.3 22.7 1.0 CA A:ILE185 4.4 23.9 1.0 C A:LEU171 4.4 18.2 1.0 CA A:GLY181 4.4 19.3 1.0 CA A:VAL182 4.4 21.6 1.0 CA A:GLY173 4.5 21.0 1.0 N A:ALA183 4.5 27.4 1.0 N A:ALA172 4.6 18.8 1.0 CB A:ILE185 4.6 22.8 1.0 N A:GLY186 4.7 18.5 1.0 CA A:ALA183 4.7 27.2 1.0 N A:GLY184 4.7 25.0 1.0 N A:GLY181 4.8 18.7 1.0 CA A:GLY186 4.9 17.9 1.0 O5' X:DC10 4.9 24.7 1.0 O A:HOH2153 5.0 36.8 1.0 C A:ALA183 5.0 22.8 1.0 CB A:ALA172 5.0 18.3 1.0

C.S.Anstey-Gilbert, G.R.Hemsworth, C.S.Flemming, M.R.G.Hodskinson, J.Zhang, S.E.Sedelnikova, T.J.Stillman, J.R.Sayers, P.J.Artymiuk. The Structure of E. Coli Exoix - Implications For Dna Binding and Catalysis in Flap Endonucleases Nucleic Acids Res. V. 41 8357 2013.
ISSN: ISSN 0305-1048
PubMed: 23821668
DOI: 10.1093/NAR/GKT591