Potassium in PDB 2x20: Structure of Peridinin-Chlorophyll-Protein Reconstituted with Chl-B

The structure of Structure of Peridinin-Chlorophyll-Protein Reconstituted with Chl-B, PDB code: 2x20 was solved by T.Schulte, R.G.Hiller, E.Hofmann, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	43.15 / 1.95
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	68.570, 82.000, 75.410, 90.00, 90.00, 90.00
R / Rfree (%)	15.5 / 19.6

The structure of Structure of Peridinin-Chlorophyll-Protein Reconstituted with Chl-B also contains other interesting chemical elements:

Magnesium	(Mg)	1 atom
Cadmium	(Cd)	8 atoms
Chlorine	(Cl)	3 atoms
Sodium	(Na)	1 atom

The binding sites of Potassium atom in the Structure of Peridinin-Chlorophyll-Protein Reconstituted with Chl-B (pdb code 2x20). 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 Peridinin-Chlorophyll-Protein Reconstituted with Chl-B, PDB code: 2x20:

Potassium binding site 1 out of 1 in the Structure of Peridinin-Chlorophyll-Protein Reconstituted with Chl-B


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of Peridinin-Chlorophyll-Protein Reconstituted with Chl-B within 5.0Å range: probe atom residue distance (Å) B Occ M:K1160 b:38.9 occ:1.00 O M:HOH2165 2.0 40.9 1.0 O M:HOH2166 2.5 32.0 1.0 OE2 M:GLU133 2.6 24.4 1.0 OE1 M:GLU133 3.2 29.2 1.0 CD M:GLU133 3.3 25.8 1.0 NZ M:LYS124 4.3 22.0 1.0 CG M:GLU133 4.8 18.8 1.0

T.Schulte, R.G.Hiller, E.Hofmann. X-Ray Structures of the Peridinin-Chlorophyll-Protein Reconstituted with Different Chlorophylls. Febs Lett. V. 584 973 2010.
ISSN: ISSN 0014-5793
PubMed: 20102711
DOI: 10.1016/J.FEBSLET.2010.01.041