Potassium in PDB 6h43: Flavin-Dependent Tryptophan 6-Halogenase Thal

The structure of Flavin-Dependent Tryptophan 6-Halogenase Thal, PDB code: 6h43 was solved by A.Moritzer, H.Minges, M.Frese, N.Sewald, H.H.Niemann, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.89 / 2.20
Space group	P 64
Cell size a, b, c (Å), α, β, γ (°)	139.470, 139.470, 142.510, 90.00, 90.00, 120.00
R / Rfree (%)	17 / 21.1

The binding sites of Potassium atom in the Flavin-Dependent Tryptophan 6-Halogenase Thal (pdb code 6h43). 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 Flavin-Dependent Tryptophan 6-Halogenase Thal, PDB code: 6h43:

Potassium binding site 1 out of 1 in the Flavin-Dependent Tryptophan 6-Halogenase Thal


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Flavin-Dependent Tryptophan 6-Halogenase Thal within 5.0Å range: probe atom residue distance (Å) B Occ A:K612 b:42.5 occ:0.73 O A:HOH769 2.7 39.4 1.0 OD1 A:ASP223 2.8 38.3 1.0 O A:HOH803 2.9 42.2 1.0 O A:GLY222 3.0 30.9 1.0 O A:HOH806 3.4 59.3 1.0 C A:GLY222 3.8 37.0 1.0 CG A:ASP223 3.9 44.3 1.0 CA A:ASP223 4.1 33.2 1.0 O A:HOH880 4.2 56.4 1.0 N A:ASP223 4.3 33.3 1.0 CB A:ASP223 4.5 33.2 1.0 O A:HOH717 4.5 55.6 1.0 O A:THR210 4.6 34.4 1.0 CA A:THR210 4.7 34.9 1.0 CE A:LYS379 4.9 54.1 1.0 CA A:GLY222 4.9 37.2 1.0 CB A:THR210 5.0 34.3 1.0 CG2 A:THR210 5.0 34.7 1.0 N A:GLY222 5.0 36.4 1.0 OD2 A:ASP223 5.0 39.3 1.0

A.C.Moritzer, H.Minges, T.Prior, M.Frese, N.Sewald, H.H.Niemann. Structure-Based Switch of Regioselectivity in the Flavin-Dependent Tryptophan 6-Halogenase Thal. J. Biol. Chem. V. 294 2529 2019.
ISSN: ESSN 1083-351X
PubMed: 30559288
DOI: 10.1074/JBC.RA118.005393