Potassium in PDB 8c6k: Double Mutant A(L53)C/I(L64)C Structure of Photosynthetic Reaction Center From Cereibacter Sphaeroides Strain Rv

The structure of Double Mutant A(L53)C/I(L64)C Structure of Photosynthetic Reaction Center From Cereibacter Sphaeroides Strain Rv, PDB code: 8c6k was solved by A.Gabdulkhakov, G.Selikhanov, T.Fufina, L.Vasilieva, A.Atamas, D.Uhimchuk, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.89 / 2.86
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	139.636, 139.636, 185.091, 90, 90, 120
R / Rfree (%)	22.9 / 27.9

The structure of Double Mutant A(L53)C/I(L64)C Structure of Photosynthetic Reaction Center From Cereibacter Sphaeroides Strain Rv also contains other interesting chemical elements:

Magnesium	(Mg)	4 atoms
Iron	(Fe)	1 atom

The binding sites of Potassium atom in the Double Mutant A(L53)C/I(L64)C Structure of Photosynthetic Reaction Center From Cereibacter Sphaeroides Strain Rv (pdb code 8c6k). 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 Double Mutant A(L53)C/I(L64)C Structure of Photosynthetic Reaction Center From Cereibacter Sphaeroides Strain Rv, PDB code: 8c6k:

Potassium binding site 1 out of 1 in the Double Mutant A(L53)C/I(L64)C Structure of Photosynthetic Reaction Center From Cereibacter Sphaeroides Strain Rv


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Double Mutant A(L53)C/I(L64)C Structure of Photosynthetic Reaction Center From Cereibacter Sphaeroides Strain Rv within 5.0Å range: probe atom residue distance (Å) B Occ H:K311 b:19.2 occ:1.00 O H:ALA137 2.6 22.2 1.0 O H:PHE140 2.9 16.4 1.0 O H:MET134 3.0 16.8 1.0 C H:ALA137 3.6 13.2 1.0 N H:PHE140 3.7 6.9 1.0 C H:PHE140 3.9 3.3 1.0 N H:GLY139 3.9 13.5 1.0 C H:MET134 4.0 15.5 1.0 CA H:PHE140 4.2 9.8 1.0 N H:ALA137 4.2 14.4 1.0 CA H:ALA138 4.3 28.3 1.0 N H:ALA138 4.4 21.6 1.0 C H:ALA138 4.4 17.0 1.0 CA H:ALA137 4.4 14.3 1.0 CG H:MET134 4.4 10.2 1.0 CB H:PHE140 4.5 25.4 1.0 C H:GLY139 4.5 9.0 1.0 CA H:LYS135 4.6 8.6 1.0 C H:LYS135 4.6 21.0 1.0 N H:LYS135 4.7 20.1 1.0 CA H:GLY139 4.7 11.4 1.0 O H:LYS135 4.8 23.7 1.0 CB H:ALA137 4.8 11.9 1.0 CA H:MET134 4.8 9.9 1.0

G.Selikhanov, A.Atamas, D.Yukhimchuk, T.Fufina, L.Vasilieva, A.Gabdulkhakov. Stabilization of Cereibacter Sphaeroides Photosynthetic Reaction Center By the Introduction of Disulfide Bonds. Membranes (Basel) V. 13 2023.
ISSN: ESSN 2077-0375
PubMed: 36837657
DOI: 10.3390/MEMBRANES13020154