Potassium in PDB 5zof: Crystal Structure of D181A/R192F HFEN1 in Complex with Dna

The structure of Crystal Structure of D181A/R192F HFEN1 in Complex with Dna, PDB code: 5zof was solved by W.Han, Y.Hua, Y.Zhao, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	27.82 / 2.25
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	47.670, 92.730, 102.780, 90.00, 90.00, 90.00
R / Rfree (%)	23.5 / 26.9

The binding sites of Potassium atom in the Crystal Structure of D181A/R192F HFEN1 in Complex with Dna (pdb code 5zof). 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 Crystal Structure of D181A/R192F HFEN1 in Complex with Dna, PDB code: 5zof:

Potassium binding site 1 out of 1 in the Crystal Structure of D181A/R192F HFEN1 in Complex with Dna


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of D181A/R192F HFEN1 in Complex with Dna within 5.0Å range: probe atom residue distance (Å) B Occ A:K401 b:0.8 occ:1.00 O A:ILE241 3.0 65.8 1.0 O A:ILE238 3.0 68.5 1.0 OG A:SER237 3.1 63.7 1.0 OP2 B:DC4 3.3 68.0 1.0 CB A:SER237 3.8 60.0 1.0 C A:ILE238 3.9 64.5 1.0 P B:DC4 3.9 68.2 1.0 OP1 B:DC4 3.9 72.5 1.0 C A:ILE241 3.9 65.8 1.0 O3' B:DT3 4.3 74.0 1.0 N A:ILE241 4.4 63.3 1.0 CA A:ARG239 4.4 65.4 1.0 C A:SER237 4.4 72.7 1.0 N A:ARG239 4.5 62.9 1.0 N A:ILE238 4.5 69.5 1.0 O A:LEU229 4.6 52.1 1.0 O A:SER237 4.6 70.2 1.0 N A:GLY240 4.6 63.8 1.0 CA A:ILE241 4.7 63.3 1.0 CA A:SER237 4.8 69.7 1.0 N A:GLY242 4.8 61.2 1.0 CA A:ILE238 4.8 64.4 1.0 C A:ARG239 5.0 71.1 1.0 CA A:GLY242 5.0 54.7 1.0

H.Xu, R.Shi, W.Han, J.Cheng, X.Xu, K.Cheng, L.Wang, B.Tian, L.Zheng, B.Shen, Y.Hua, Y.Zhao. Structural Basis of 5' Flap Recognition and Protein-Protein Interactions of Human Flap Endonuclease 1. Nucleic Acids Res. V. 46 11315 2018.
ISSN: ESSN 1362-4962
PubMed: 30295841
DOI: 10.1093/NAR/GKY911