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Potassium in PDB 4in5: (M)L214G Mutant of the Rhodobacter Sphaeroides Reaction Center

Protein crystallography data

The structure of (M)L214G Mutant of the Rhodobacter Sphaeroides Reaction Center, PDB code: 4in5 was solved by R.G.Saer, A.Hardjasa, M.E.Murphy, J.T.Beatty, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 55.62 / 2.20
Space group P 31 2 1
Cell size a, b, c (Å), α, β, γ (°) 139.109, 139.109, 184.692, 90.00, 90.00, 120.00
R / Rfree (%) 18.1 / 20.6

Other elements in 4in5:

The structure of (M)L214G Mutant of the Rhodobacter Sphaeroides Reaction Center also contains other interesting chemical elements:

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

Potassium Binding Sites:

The binding sites of Potassium atom in the (M)L214G Mutant of the Rhodobacter Sphaeroides Reaction Center (pdb code 4in5). 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 (M)L214G Mutant of the Rhodobacter Sphaeroides Reaction Center, PDB code: 4in5:

Potassium binding site 1 out of 1 in 4in5

Go back to Potassium Binding Sites List in 4in5
Potassium binding site 1 out of 1 in the (M)L214G Mutant of the Rhodobacter Sphaeroides Reaction Center


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of (M)L214G Mutant of the Rhodobacter Sphaeroides Reaction Center within 5.0Å range:
probe atom residue distance (Å) B Occ
H:K306

b:46.1
occ:1.00
O H:ALA137 2.6 38.3 1.0
O H:MET134 2.8 39.0 1.0
O H:HOH434 2.8 40.8 1.0
O H:HOH482 2.9 54.4 1.0
O H:PHE140 2.9 43.5 1.0
C H:ALA137 3.7 40.8 1.0
C H:MET134 3.8 41.8 1.0
N H:PHE140 3.9 47.0 1.0
C H:PHE140 3.9 39.9 1.0
N H:ALA137 4.2 39.3 1.0
N H:GLY139 4.2 40.9 1.0
CA H:PHE140 4.2 43.3 1.0
O H:LYS135 4.2 49.0 1.0
CG H:MET134 4.4 42.6 1.0
C H:LYS135 4.4 42.2 1.0
CB H:PHE140 4.4 41.3 1.0
CA H:LYS135 4.4 45.5 1.0
CA H:ALA137 4.5 43.5 1.0
CA H:ALA138 4.5 47.1 1.0
N H:ALA138 4.5 44.6 1.0
N H:LYS135 4.5 43.2 1.0
C H:ALA138 4.6 44.6 1.0
C H:GLY139 4.7 44.8 1.0
CA H:MET134 4.8 39.8 1.0
CB H:ALA137 4.9 41.9 1.0
CA H:GLY139 5.0 41.7 1.0

Reference:

R.G.Saer, A.Hardjasa, F.I.Rosell, A.G.Mauk, M.E.Murphy, J.T.Beatty. Role of Rhodobacter Sphaeroides Photosynthetic Reaction Center Residue M214 in the Composition, Absorbance Properties, and Conformations of Ha and Ba Cofactors. Biochemistry V. 52 2206 2013.
ISSN: ISSN 0006-2960
PubMed: 23480277
DOI: 10.1021/BI400207M
Page generated: Mon Aug 12 11:01:41 2024

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