Potassium in PDB 3iis: Structure of the Reconstituted Peridinin-Chlorophyll A-Protein (Rfpcp)

The structure of Structure of the Reconstituted Peridinin-Chlorophyll A-Protein (Rfpcp), PDB code: 3iis was solved by T.Schulte, E.Hofmann, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	35.85 / 1.40
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	68.690, 81.623, 75.080, 90.00, 90.00, 90.00
R / Rfree (%)	15.2 / 18.7

The structure of Structure of the Reconstituted Peridinin-Chlorophyll A-Protein (Rfpcp) also contains other interesting chemical elements:

Cadmium	(Cd)	5 atoms
Magnesium	(Mg)	1 atom
Chlorine	(Cl)	7 atoms

The binding sites of Potassium atom in the Structure of the Reconstituted Peridinin-Chlorophyll A-Protein (Rfpcp) (pdb code 3iis). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Structure of the Reconstituted Peridinin-Chlorophyll A-Protein (Rfpcp), PDB code: 3iis:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in the Structure of the Reconstituted Peridinin-Chlorophyll A-Protein (Rfpcp)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of the Reconstituted Peridinin-Chlorophyll A-Protein (Rfpcp) within 5.0Å range: probe atom residue distance (Å) B Occ M:K155 b:11.4 occ:0.80 CL M:CL162 1.9 15.4 0.6 O M:HOH284 2.1 32.1 1.0 OE1 M:GLU39 2.3 20.5 0.8 O M:HOH282 2.5 15.3 0.6 O M:HOH286 2.6 35.9 1.0 CL M:CL162 2.6 4.2 0.2 O M:HOH287 2.7 39.5 1.0 OE2 M:GLU39 2.8 24.6 0.8 CD M:GLU39 2.9 20.7 0.8 O M:HOH270 3.7 38.6 1.0 CG M:GLU39 3.7 2.8 0.2 OE2 M:GLU39 4.2 7.6 0.2 CB M:GLN36 4.4 9.9 1.0 CG M:GLU39 4.4 15.3 0.8 CB M:LEU38 4.4 9.6 1.0 CD M:GLU39 4.5 4.7 0.2 O M:HOH283 4.6 25.1 0.5 N M:GLU39 4.6 6.9 0.2 N M:GLU39 4.7 7.8 0.8 CD1 M:LEU38 4.7 12.1 1.0 CB M:GLU39 4.7 5.7 0.2 O M:HOH362 4.8 37.9 1.0 CA M:GLN36 4.8 7.8 1.0 CG M:GLN36 4.8 10.0 1.0 CG M:LEU38 4.9 11.0 1.0 N M:LEU38 4.9 7.0 1.0 OE1 M:GLN36 4.9 15.9 1.0 C M:GLN36 5.0 7.3 1.0

Potassium binding site 2 out of 4 in the Structure of the Reconstituted Peridinin-Chlorophyll A-Protein (Rfpcp)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structure of the Reconstituted Peridinin-Chlorophyll A-Protein (Rfpcp) within 5.0Å range: probe atom residue distance (Å) B Occ M:K156 b:9.3 occ:0.50 K M:K156 0.0 9.3 0.5 K M:K156 1.6 20.9 0.5 O M:HOH222 2.5 19.9 1.0 O M:HOH289 2.6 9.9 1.0 NZ M:LYS34 3.7 26.1 0.5 CE M:LYS34 3.7 21.9 0.5 CD M:CD153 3.8 7.6 0.8 K M:K157 3.9 8.1 0.8 CD M:LYS34 3.9 20.1 0.5 O M:HOH221 4.2 13.3 1.0 OD2 M:ASP116 4.5 8.0 1.0 CG M:LYS34 4.7 15.7 0.5 CL M:CL161 4.8 9.7 0.8 O M:HOH288 5.0 32.1 1.0

Potassium binding site 3 out of 4 in the Structure of the Reconstituted Peridinin-Chlorophyll A-Protein (Rfpcp)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Structure of the Reconstituted Peridinin-Chlorophyll A-Protein (Rfpcp) within 5.0Å range: probe atom residue distance (Å) B Occ M:K156 b:20.9 occ:0.50 K M:K156 0.0 20.9 0.5 K M:K156 1.6 9.3 0.5 CE M:LYS34 2.1 21.9 0.5 NZ M:LYS34 2.5 26.1 0.5 CD M:LYS34 2.6 20.1 0.5 O M:HOH289 2.7 9.9 1.0 O M:HOH222 3.0 19.9 1.0 CG M:LYS34 3.7 15.7 0.5 K M:K157 4.0 8.1 0.8 CB M:LYS34 4.8 12.6 0.5 CD M:CD153 4.8 7.6 0.8 CB M:LYS34 4.9 12.0 0.5 O M:HOH288 4.9 32.1 1.0

Potassium binding site 4 out of 4 in the Structure of the Reconstituted Peridinin-Chlorophyll A-Protein (Rfpcp)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Structure of the Reconstituted Peridinin-Chlorophyll A-Protein (Rfpcp) within 5.0Å range: probe atom residue distance (Å) B Occ M:K157 b:8.1 occ:0.80 O M:HOH290 2.6 25.6 1.0 O M:HOH289 2.9 9.9 1.0 CD M:CD153 3.6 7.6 0.8 K M:K156 3.9 9.3 0.5 K M:K156 4.0 20.9 0.5 NZ M:LYS34 4.0 26.1 0.5 CL M:CL160 4.2 21.0 0.8 CL M:CL161 4.9 9.7 0.8 CE M:LYS34 4.9 21.9 0.5

T.Schulte, D.M.Niedzwiedzki, R.R.Birge, R.G.Hiller, T.Polivka, E.Hofmann, H.A.Frank. Identification of A Single Peridinin Sensing Chl-A Excitation in Reconstituted Pcp By Crystallography and Spectroscopy. Proc.Natl.Acad.Sci.Usa V. 106 20764 2009.
ISSN: ISSN 0027-8424
PubMed: 19934052
DOI: 10.1073/PNAS.0908938106