Potassium in PDB 3dke: Polar and Non-Polar Cavities in Phage T4 Lysozyme

All present enzymatic activity of Polar and Non-Polar Cavities in Phage T4 Lysozyme:
3.2.1.17;

The structure of Polar and Non-Polar Cavities in Phage T4 Lysozyme, PDB code: 3dke was solved by L.J.Liu, B.W.Matthews, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	52.13 / 1.25
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	60.226, 60.226, 96.677, 90.00, 90.00, 120.00
R / Rfree (%)	15.5 / 17.3

The structure of Polar and Non-Polar Cavities in Phage T4 Lysozyme also contains other interesting chemical elements:

Chlorine

(Cl)

2 atoms

The binding sites of Potassium atom in the Polar and Non-Polar Cavities in Phage T4 Lysozyme (pdb code 3dke). 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 Polar and Non-Polar Cavities in Phage T4 Lysozyme, PDB code: 3dke:

Potassium binding site 1 out of 1 in the Polar and Non-Polar Cavities in Phage T4 Lysozyme


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Polar and Non-Polar Cavities in Phage T4 Lysozyme within 5.0Å range: probe atom residue distance (Å) B Occ X:K601 b:13.9 occ:1.00 O X:HOH947 2.7 17.7 1.0 O X:HOH956 2.8 17.0 1.0 OH X:TYR18 2.8 14.5 1.0 O X:HOH906 2.8 14.2 1.0 O X:GLU11 2.9 8.7 1.0 O X:HOH1045 2.9 26.0 1.0 OE1 X:GLU11 3.0 11.9 1.0 O X:HOH1028 3.5 18.8 1.0 O X:HOH1103 3.7 17.6 1.0 C X:GLU11 3.7 8.6 1.0 O X:HOH937 3.8 12.3 1.0 CA X:GLU11 3.9 8.8 1.0 CZ X:TYR18 3.9 12.7 1.0 CE2 X:TYR18 4.2 14.1 1.0 CD X:GLU11 4.2 10.6 1.0 CB X:GLU11 4.4 9.1 1.0 CA X:GLY30 4.6 9.9 1.0 O X:ASP10 4.8 9.8 1.0 N X:GLY30 4.8 9.8 1.0 O X:HOH1102 4.9 27.4 1.0 CG X:GLU11 4.9 10.4 1.0 N X:GLY12 5.0 8.6 1.0

L.Liu, M.L.Quillin, B.W.Matthews. Use of Experimental Crystallographic Phases to Examine the Hydration of Polar and Nonpolar Cavities in T4 Lysozyme Proc.Natl.Acad.Sci.Usa V. 105 14406 2008.
ISSN: ISSN 0027-8424
PubMed: 18780783
DOI: 10.1073/PNAS.0806307105