Potassium in PDB 3zda: Structure of E. Coli Exoix in Complex with A Fragment of the FLAP1 Dna Oligonucleotide, Potassium and Magnesium

The structure of Structure of E. Coli Exoix in Complex with A Fragment of the FLAP1 Dna Oligonucleotide, Potassium and Magnesium, PDB code: 3zda 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)	51.64 / 1.50
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	66.203, 154.820, 34.473, 90.00, 90.00, 90.00
R / Rfree (%)	21.1 / 23.5

The structure of Structure of E. Coli Exoix in Complex with A Fragment of the FLAP1 Dna Oligonucleotide, Potassium and Magnesium also contains other interesting chemical elements:

Magnesium

(Mg)

1 atom

The binding sites of Potassium atom in the Structure of E. Coli Exoix in Complex with A Fragment of the FLAP1 Dna Oligonucleotide, Potassium and Magnesium (pdb code 3zda). 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 A Fragment of the FLAP1 Dna Oligonucleotide, Potassium and Magnesium, PDB code: 3zda:

Potassium binding site 1 out of 1 in the Structure of E. Coli Exoix in Complex with A Fragment of the FLAP1 Dna Oligonucleotide, Potassium and Magnesium


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 A Fragment of the FLAP1 Dna Oligonucleotide, Potassium and Magnesium within 5.0Å range: probe atom residue distance (Å) B Occ A:K1251 b:27.5 occ:1.00 O A:ILE185 2.6 27.0 1.0 O A:VAL182 2.7 28.1 1.0 O A:ALA172 2.8 24.1 1.0 O A:PRO180 2.9 27.4 1.0 O A:HOH2194 3.0 48.0 1.0 O A:LEU171 3.3 23.9 1.0 OP1 B:DC2 3.3 37.7 1.0 C A:ALA172 3.4 21.0 1.0 C A:VAL182 3.6 27.9 1.0 OP2 B:DC2 3.6 40.7 1.0 C A:ILE185 3.7 27.9 1.0 N A:VAL182 3.8 23.9 1.0 P B:DC2 3.9 34.5 1.0 CA A:ALA172 4.0 22.1 1.0 O A:HOH2188 4.0 38.2 1.0 C A:PRO180 4.0 26.4 1.0 N A:GLY173 4.1 20.6 1.0 C A:GLY181 4.2 24.6 1.0 N A:ILE185 4.2 27.4 1.0 C A:LEU171 4.3 21.9 1.0 CA A:GLY181 4.3 21.2 1.0 CA A:VAL182 4.3 24.0 1.0 N A:ALA183 4.4 32.6 1.0 O A:HOH2189 4.5 42.9 1.0 CA A:ALA183 4.5 33.1 1.0 CA A:ILE185 4.5 27.5 1.0 CA A:GLY173 4.6 21.6 1.0 N A:ALA172 4.6 23.4 1.0 N A:GLY184 4.7 32.8 1.0 N A:GLY181 4.7 22.6 1.0 N A:GLY186 4.7 22.7 1.0 CB A:ILE185 4.8 28.2 1.0 O3' B:DG1 4.8 33.6 1.0 CA A:GLY186 4.9 24.2 1.0 C A:ALA183 4.9 28.2 1.0 O A:GLY181 4.9 27.4 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