Chlorine in PDB 6q0f: Crystal Structure of Ligand-Binding Domain of Pseudomonas Fluorescens Chemoreceptor Ctaa in Complex with L-Valine

The structure of Crystal Structure of Ligand-Binding Domain of Pseudomonas Fluorescens Chemoreceptor Ctaa in Complex with L-Valine, PDB code: 6q0f was solved by I.A.Ud-Din, M.F.Khan, A.Roujeinikova, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	35.67 / 2.20
Space group	I 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	60.210, 71.830, 112.280, 90.00, 90.00, 90.00
R / Rfree (%)	20.2 / 28.6

The structure of Crystal Structure of Ligand-Binding Domain of Pseudomonas Fluorescens Chemoreceptor Ctaa in Complex with L-Valine also contains other interesting chemical elements:

Sodium

(Na)

1 atom

The binding sites of Chlorine atom in the Crystal Structure of Ligand-Binding Domain of Pseudomonas Fluorescens Chemoreceptor Ctaa in Complex with L-Valine (pdb code 6q0f). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total only one binding site of Chlorine was determined in the Crystal Structure of Ligand-Binding Domain of Pseudomonas Fluorescens Chemoreceptor Ctaa in Complex with L-Valine, PDB code: 6q0f:

Chlorine binding site 1 out of 1 in the Crystal Structure of Ligand-Binding Domain of Pseudomonas Fluorescens Chemoreceptor Ctaa in Complex with L-Valine


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Crystal Structure of Ligand-Binding Domain of Pseudomonas Fluorescens Chemoreceptor Ctaa in Complex with L-Valine within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl303 b:55.8 occ:1.00 NH2 A:ARG112 3.3 33.0 1.0 NH1 A:ARG112 3.6 33.9 1.0 O A:HOH461 3.7 25.2 1.0 CZ A:ARG112 3.9 29.9 1.0 OD2 A:ASP114 4.3 40.0 1.0 CG2 A:THR110 4.6 29.6 1.0 CG A:ASP114 5.0 38.0 1.0

A.I.M.S.Ud-Din, M.F.Khan, A.Roujeinikova. Broad Specificity of Amino Acid Chemoreceptor Ctaa Ofpseudomonas Fluorescensis Afforded By Plasticity of Its Amphipathic Ligand-Binding Pocket. Mol.Plant Microbe Interact. 0277R 2020.
ISSN: ISSN 0894-0282
PubMed: 31909676
DOI: 10.1094/MPMI-10-19-0277-R