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

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

Resolution Low / High (Å)	49.64 / 2.32
Space group	P 64
Cell size a, b, c (Å), α, β, γ (°)	138.560, 138.560, 142.050, 90.00, 90.00, 120.00
R / Rfree (%)	18.1 / 22.5

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

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


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 Fad within 5.0Å range: probe atom residue distance (Å) B Occ B:K605 b:93.8 occ:1.00 OD2 B:ASP398 2.6 77.7 1.0 CG B:ASP398 3.7 87.4 1.0 NH2 B:ARG335 3.7 81.1 1.0 NH1 B:ARG401 4.2 74.8 1.0 OD1 B:ASP398 4.3 85.1 1.0 CE B:MET247 4.3 88.7 1.0 NH2 B:ARG401 4.4 72.5 1.0 NE B:ARG335 4.6 71.2 1.0 CZ B:ARG335 4.6 77.2 1.0 CB B:ASP398 4.8 72.7 1.0 CZ B:ARG401 4.8 75.2 1.0 O4 B:PO4602 4.9 79.1 0.7

A.C.Moritzer, H.H.Niemann. Binding of Fad and Tryptophan to the Tryptophan 6-Halogenase Thal Is Negatively Coupled. Protein Sci. V. 28 2112 2019.
ISSN: ESSN 1469-896X
PubMed: 31589794
DOI: 10.1002/PRO.3739