Potassium in PDB 1mgy: Structure of the D85S Mutant of Bacteriorhodopsin with Bromide Bound

The structure of Structure of the D85S Mutant of Bacteriorhodopsin with Bromide Bound, PDB code: 1mgy was solved by M.T.Facciotti, V.S.Cheung, D.Nguyen, S.Rouhani, R.M.Glaeser, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	12.00 / 2.00
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	52.498, 121.326, 73.875, 90.00, 90.00, 90.00
R / Rfree (%)	21.5 / 23.6

The structure of Structure of the D85S Mutant of Bacteriorhodopsin with Bromide Bound also contains other interesting chemical elements:

Bromine

(Br)

2 atoms

The binding sites of Potassium atom in the Structure of the D85S Mutant of Bacteriorhodopsin with Bromide Bound (pdb code 1mgy). 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 Structure of the D85S Mutant of Bacteriorhodopsin with Bromide Bound, PDB code: 1mgy:

Potassium binding site 1 out of 1 in the Structure of the D85S Mutant of Bacteriorhodopsin with Bromide Bound


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of the D85S Mutant of Bacteriorhodopsin with Bromide Bound within 5.0Å range: probe atom residue distance (Å) B Occ A:K802 b:31.4 occ:1.00 N A:SER35 3.4 35.1 1.0 CE2 A:PHE230 3.6 23.7 1.0 N A:ASP36 3.7 32.1 1.0 OG A:SER35 3.8 36.0 1.0 CA A:VAL34 3.9 37.1 1.0 CG1 A:VAL34 4.1 35.9 1.0 C A:VAL34 4.1 36.4 1.0 CB A:ASP36 4.2 31.2 1.0 CA A:SER35 4.3 34.9 1.0 CZ A:PHE230 4.4 24.0 1.0 C A:SER35 4.5 33.4 1.0 CB A:VAL34 4.5 37.0 1.0 CA A:ASP36 4.5 30.8 1.0 CD2 A:PHE230 4.6 24.1 1.0 CB A:SER35 4.6 35.2 1.0 O A:GLY33 4.7 39.4 1.0

M.T.Facciotti, V.S.Cheung, D.Nguyen, S.Rouhani, R.M.Glaeser. Crystal Structure of the Bromide-Bound D85S Mutant of Bacteriorhodopsin: Principles of Ion Pumping Biophys.J. V. 85 451 2003.
ISSN: ISSN 0006-3495
PubMed: 12829500