Potassium in PDB 8c3f: Double Mutant I(L177)H/F(M197)H Structure of Photosynthetic Reaction Center From Cereibacter Sphaeroides Strain Rv

The structure of Double Mutant I(L177)H/F(M197)H Structure of Photosynthetic Reaction Center From Cereibacter Sphaeroides Strain Rv, PDB code: 8c3f was solved by A.G.Gabdulkhakov, G.K.Selikhanov, T.Y.Fufina, L.G.Vasilieva, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.12 / 2.60
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	139.346, 139.346, 184.574, 90, 90, 120
R / Rfree (%)	19.4 / 22

The structure of Double Mutant I(L177)H/F(M197)H Structure of Photosynthetic Reaction Center From Cereibacter Sphaeroides Strain Rv also contains other interesting chemical elements:

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

The binding sites of Potassium atom in the Double Mutant I(L177)H/F(M197)H Structure of Photosynthetic Reaction Center From Cereibacter Sphaeroides Strain Rv (pdb code 8c3f). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Double Mutant I(L177)H/F(M197)H Structure of Photosynthetic Reaction Center From Cereibacter Sphaeroides Strain Rv, PDB code: 8c3f:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Double Mutant I(L177)H/F(M197)H 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 I(L177)H/F(M197)H Structure of Photosynthetic Reaction Center From Cereibacter Sphaeroides Strain Rv within 5.0Å range: probe atom residue distance (Å) B Occ M:K411 b:87.8 occ:1.00 O M:VAL192 2.7 64.3 1.0 O M:ASP292 2.8 68.5 1.0 C M:ASP292 3.8 63.7 1.0 C M:VAL192 3.9 60.5 1.0 CB M:ASP292 4.2 64.9 1.0 CA M:HIS193 4.5 62.7 1.0 CA M:ASP292 4.5 66.7 1.0 CB M:ASN293 4.5 59.1 1.0 N M:ASN293 4.7 64.4 1.0 ND2 M:ASN293 4.7 60.2 1.0 N M:HIS193 4.7 59.9 1.0 CA M:ASN293 4.8 62.6 1.0 C M:HIS193 5.0 61.6 1.0 CA M:VAL192 5.0 58.3 1.0

Potassium binding site 2 out of 2 in the Double Mutant I(L177)H/F(M197)H 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 2 of Double Mutant I(L177)H/F(M197)H Structure of Photosynthetic Reaction Center From Cereibacter Sphaeroides Strain Rv within 5.0Å range: probe atom residue distance (Å) B Occ H:K305 b:69.8 occ:1.00 O H:ALA137 2.6 60.0 1.0 O H:MET134 3.0 53.8 1.0 O H:PHE140 3.0 56.9 1.0 O H:HOH440 3.0 68.5 1.0 C H:ALA137 3.7 65.6 1.0 N H:PHE140 3.7 62.2 1.0 C H:MET134 3.9 59.4 1.0 C H:PHE140 4.0 57.0 1.0 N H:GLY139 4.0 63.9 1.0 CA H:PHE140 4.2 62.0 1.0 N H:ALA137 4.3 53.9 1.0 CG H:MET134 4.3 58.9 1.0 O H:LYS135 4.4 67.9 1.0 CA H:ALA137 4.4 59.1 1.0 CB H:PHE140 4.5 63.4 1.0 C H:GLY139 4.5 65.3 1.0 C H:LYS135 4.5 54.1 1.0 CA H:LYS135 4.6 58.1 1.0 N H:ALA138 4.6 63.7 1.0 C H:ALA138 4.6 67.8 1.0 N H:LYS135 4.7 59.1 1.0 CA H:ALA138 4.7 64.4 1.0 CA H:GLY139 4.7 66.9 1.0 CB H:ALA137 4.8 60.2 1.0 CA H:MET134 4.9 55.9 1.0

T.Y.Fufina, G.K.Selikhanov, A.G.Gabdulkhakov, L.G.Vasilieva. Properties and Crystal Structure of the Cereibacter Sphaeroides Photosynthetic Reaction Center with Double Amino Acid Substitution I(L177)H + F(M197)H. Membranes (Basel) V. 13 2023.
ISSN: ESSN 2077-0375
PubMed: 36837660
DOI: 10.3390/MEMBRANES13020157