Potassium in PDB 6h44: Flavin-Dependent Tryptophan 6-Halogenase Thal in Complex with Tryptophan

The structure of Flavin-Dependent Tryptophan 6-Halogenase Thal in Complex with Tryptophan, PDB code: 6h44 was solved by A.Moritzer, H.Minges, N.Sewald, H.H.Niemann, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.77 / 2.55
Space group	P 64
Cell size a, b, c (Å), α, β, γ (°)	136.700, 136.700, 144.900, 90.00, 90.00, 120.00
R / Rfree (%)	17.9 / 22.5

The binding sites of Potassium atom in the Flavin-Dependent Tryptophan 6-Halogenase Thal in Complex with Tryptophan (pdb code 6h44). 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 in Complex with Tryptophan, PDB code: 6h44:

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


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 in Complex with Tryptophan within 5.0Å range: probe atom residue distance (Å) B Occ A:K614 b:43.4 occ:0.82 O A:HOH743 2.7 43.1 1.0 OD1 A:ASP223 2.8 53.0 1.0 O A:GLY222 3.0 45.9 1.0 C A:GLY222 3.8 41.4 1.0 CG A:ASP223 4.0 49.0 1.0 CA A:ASP223 4.0 41.1 1.0 O A:HOH769 4.1 52.0 1.0 N A:ASP223 4.3 40.0 1.0 CB A:ASP223 4.4 48.1 1.0 O A:THR210 4.6 46.1 1.0 CA A:THR210 4.6 43.4 1.0 CE A:LYS379 4.9 59.3 1.0 CB A:THR210 4.9 42.2 1.0 CA A:GLY222 4.9 40.5 1.0 O A:ILE209 5.0 42.6 1.0 N A:GLY222 5.0 39.1 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