Sodium 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
Potassium	(K)	1 atom
Cadmium	(Cd)	8 atoms
Chlorine	(Cl)	3 atoms

The binding sites of Sodium 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 Sodium atom.
In total only one binding site of Sodium was determined in the Structure of Peridinin-Chlorophyll-Protein Reconstituted with Chl-B, PDB code: 2x20:

Sodium 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 Sodium with other atoms in the Na 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:Na1161 b:27.9 occ:1.00 O M:HOH2086 2.3 31.9 1.0 OD2 M:ASP55 2.4 19.9 1.0 O M:HOH2090 2.4 45.6 1.0 NZ M:LYS57 2.4 35.4 1.0 O M:HOH2087 2.5 43.1 1.0 OD1 M:ASP55 2.8 17.1 1.0 CG M:ASP55 2.9 12.8 1.0 CE M:LYS57 3.8 31.9 1.0 CD M:LYS57 4.1 26.7 1.0 CG M:LYS57 4.1 20.0 1.0 CB M:ASP55 4.3 9.9 1.0 CB M:LYS57 4.4 12.9 1.0 N M:LYS57 4.8 10.4 1.0 CD M:PRO56 4.9 12.2 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