Potassium in PDB 3zd9: Potassium Bound Structure of E. Coli Exoix in P21

The structure of Potassium Bound Structure of E. Coli Exoix in P21, PDB code: 3zd9 was solved by 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, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	19.87 / 2.00
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	53.472, 38.275, 59.750, 90.00, 107.95, 90.00
R / Rfree (%)	15.881 / 24.589

The binding sites of Potassium atom in the Potassium Bound Structure of E. Coli Exoix in P21 (pdb code 3zd9). 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 Potassium Bound Structure of E. Coli Exoix in P21, PDB code: 3zd9:

Potassium binding site 1 out of 1 in the Potassium Bound Structure of E. Coli Exoix in P21


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Potassium Bound Structure of E. Coli Exoix in P21 within 5.0Å range: probe atom residue distance (Å) B Occ A:K1251 b:19.9 occ:1.00 O A:ILE185 2.7 12.5 1.0 O A:VAL182 2.8 11.2 1.0 O A:LEU171 2.9 8.7 1.0 O A:PRO180 3.0 17.6 1.0 O A:ALA172 3.1 15.8 1.0 C A:ALA172 3.5 15.0 1.0 C A:VAL182 3.5 21.1 1.0 N A:VAL182 3.5 14.2 1.0 CA A:ALA172 3.8 10.0 1.0 C A:ILE185 3.9 11.7 1.0 C A:LEU171 4.0 11.7 1.0 C A:GLY181 4.1 15.8 1.0 CA A:VAL182 4.2 12.8 1.0 N A:GLY173 4.2 11.8 1.0 C A:PRO180 4.2 21.9 1.0 CA A:GLY181 4.2 13.3 1.0 N A:ALA183 4.3 16.1 1.0 N A:ILE185 4.3 9.9 1.0 N A:ALA172 4.4 9.1 1.0 CB A:ILE185 4.5 11.4 1.0 CA A:ILE185 4.5 11.2 1.0 CA A:ALA183 4.6 29.4 1.0 N A:GLY181 4.7 13.2 1.0 O A:HOH2063 4.8 24.1 1.0 CA A:GLY173 4.8 15.9 1.0 O A:GLY181 4.9 13.7 1.0 N A:GLY184 4.9 7.4 1.0 N A:GLY186 4.9 15.8 1.0 CB A:VAL182 5.0 13.0 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