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Chlorine in PDB 2x21: Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A

Protein crystallography data

The structure of Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A, PDB code: 2x21 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) 43.01 / 1.75
Space group C 2 2 21
Cell size a, b, c (Å), α, β, γ (°) 68.490, 81.810, 74.980, 90.00, 90.00, 90.00
R / Rfree (%) 14.6 / 18.6

Other elements in 2x21:

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

Magnesium (Mg) 1 atom
Potassium (K) 4 atoms
Cadmium (Cd) 8 atoms
Sodium (Na) 1 atom

Chlorine Binding Sites:

The binding sites of Chlorine atom in the Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A (pdb code 2x21). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 7 binding sites of Chlorine where determined in the Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A, PDB code: 2x21:
Jump to Chlorine binding site number: 1; 2; 3; 4; 5; 6; 7;

Chlorine binding site 1 out of 7 in 2x21

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Chlorine binding site 1 out of 7 in the Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A within 5.0Å range:
probe atom residue distance (Å) B Occ
M:Cl1158

b:16.5
occ:1.00
 CD M:CD1157 2.5 10.5 0.6
CD M:CD1153 2.6 12.1 1.0
O M:HOH2190 3.2 25.5 1.0
O M:HOH2184 3.3 11.8 1.0
O M:HOH2182 3.4 11.6 1.0
NZ M:LYS118 3.4 23.1 1.0
O M:HOH2096 3.6 15.4 1.0
CL M:CL1162 3.7 19.1 1.0
CE M:LYS118 3.9 21.0 1.0
O M:HOH2188 3.9 28.5 1.0
CD M:LYS118 4.7 14.6 1.0
O M:HOH2189 4.7 46.0 1.0
OD2 M:ASP116 4.9 8.9 1.0

Chlorine binding site 2 out of 7 in 2x21

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Chlorine binding site 2 out of 7 in the Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A within 5.0Å range:
probe atom residue distance (Å) B Occ
M:Cl1159

b:16.0
occ:0.50
 CD M:CD1155 2.5 18.0 0.5
N M:LEU38 3.2 12.5 1.0
OE1 M:GLU39 3.3 27.6 1.0
N M:PRO37 3.6 15.3 1.0
C M:GLN36 3.6 14.5 1.0
CG M:LEU38 3.7 16.2 1.0
CB M:LEU38 3.7 16.7 1.0
CA M:GLN36 3.7 13.2 1.0
CD M:PRO37 3.7 17.0 1.0
O M:HOH2088 3.9 30.7 1.0
CA M:LEU38 4.0 14.3 1.0
CB M:GLN36 4.1 13.4 1.0
O M:GLN36 4.1 14.4 1.0
C M:PRO37 4.2 13.1 1.0
CD1 M:LEU38 4.3 25.8 1.0
CA M:PRO37 4.4 14.6 1.0
N M:GLU39 4.4 12.2 1.0
CD M:GLU39 4.5 27.4 1.0
CB M:PRO37 4.6 15.9 1.0
C M:LEU38 4.8 14.6 1.0
CG M:PRO37 4.8 20.2 1.0
OE2 M:GLU39 4.9 29.8 1.0
CD2 M:LEU38 5.0 20.0 1.0

Chlorine binding site 3 out of 7 in 2x21

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Chlorine binding site 3 out of 7 in the Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 3 of Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A within 5.0Å range:
probe atom residue distance (Å) B Occ
M:Cl1160

b:19.6
occ:0.50
 CD M:CD1152 2.2 11.9 0.2
CD M:CD1152 2.4 9.0 0.5
O M:HOH2014 2.5 25.5 1.0
OE1 M:GLU2 3.3 24.3 1.0
O M:HOH2034 3.3 18.5 1.0
O M:HOH2025 3.3 35.7 1.0
OE2 M:GLU2 3.6 24.0 1.0
CD M:GLU2 3.7 15.7 1.0
O M:HOH2013 4.6 31.5 1.0
OD2 M:ASP5 4.8 13.1 1.0

Chlorine binding site 4 out of 7 in 2x21

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Chlorine binding site 4 out of 7 in the Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 4 of Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A within 5.0Å range:
probe atom residue distance (Å) B Occ
M:Cl1161

b:13.0
occ:1.00
 CD M:CD1151 2.5 9.5 0.9
O M:HOH2022 3.4 20.1 1.0
O M:HOH2006 3.5 12.3 1.0
CB M:ALA0 3.6 9.2 1.0
OD1 M:ASP5 3.7 8.2 1.0
CG M:ASP5 4.7 9.6 1.0
OD2 M:ASP5 4.8 13.1 1.0

Chlorine binding site 5 out of 7 in 2x21

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Chlorine binding site 5 out of 7 in the Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 5 of Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A within 5.0Å range:
probe atom residue distance (Å) B Occ
M:Cl1162

b:19.1
occ:1.00
 CD M:CD1153 2.6 12.1 1.0
CD M:CD1157 2.8 10.5 0.6
O M:HOH2183 3.4 31.4 1.0
O M:HOH2184 3.4 11.8 1.0
CL M:CL1158 3.7 16.5 1.0
OD2 M:ASP116 3.7 8.9 1.0
CE M:LYS34 3.7 37.2 1.0
O M:HOH2096 3.9 15.4 1.0
O M:HOH2079 4.0 8.7 1.0
CG M:LYS34 4.2 29.3 1.0
NZ M:LYS34 4.3 35.8 1.0
CD M:LYS34 4.5 34.2 1.0
O M:HOH2190 4.5 25.5 1.0
O M:HOH2185 4.6 18.9 1.0
O M:HOH2182 4.7 11.6 1.0
CG M:ASP116 4.8 8.2 1.0

Chlorine binding site 6 out of 7 in 2x21

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Chlorine binding site 6 out of 7 in the Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 6 of Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A within 5.0Å range:
probe atom residue distance (Å) B Occ
M:Cl1163

b:26.3
occ:0.50
 K M:K1168 1.7 28.1 1.0
OE2 M:GLU133 2.5 24.0 1.0
OE1 M:GLU133 2.6 28.6 1.0
CD M:GLU133 2.9 24.9 1.0
O M:HOH2204 3.9 27.4 1.0
CG M:GLU133 4.4 11.0 1.0
O M:HOH2205 4.4 39.5 1.0
NZ M:LYS124 4.8 24.3 1.0

Chlorine binding site 7 out of 7 in 2x21

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Chlorine binding site 7 out of 7 in the Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 7 of Structure of Peridinin-Chlorophyll-Protein Reconstituted with Bchl-A within 5.0Å range:
probe atom residue distance (Å) B Occ
M:Cl1164

b:44.1
occ:1.00
 NA M:NA1169 1.7 26.2 1.0
O M:HOH2116 2.3 37.2 1.0
OD2 M:ASP55 2.8 27.8 1.0
OD1 M:ASP55 3.0 17.1 1.0
CG M:ASP55 3.3 17.0 1.0
O M:HOH2114 3.6 28.7 1.0
CD M:LYS57 4.0 36.1 1.0
CG M:LYS57 4.2 23.9 1.0
CE M:LYS57 4.3 40.8 1.0
NZ M:LYS57 4.4 49.9 1.0
CB M:LYS57 4.5 14.5 1.0
O M:HOH2083 4.6 35.5 1.0
CB M:ASP55 4.7 10.8 1.0
N M:LYS57 4.7 10.9 1.0
CD M:PRO56 4.8 14.8 1.0

Reference:

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
Page generated: Fri Jul 11 01:45:12 2025

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