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Chlorine in PDB 1ds8: Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State with the Proton Transfer Inhibitor CD2+

Protein crystallography data

The structure of Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State with the Proton Transfer Inhibitor CD2+, PDB code: 1ds8 was solved by H.L.Axelrod, E.C.Abresch, M.L.Paddock, M.Y.Okamura, G.Feher, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 50.00 / 2.50
Space group P 43 21 2
Cell size a, b, c (Å), α, β, γ (°) 139.590, 139.590, 272.860, 90.00, 90.00, 90.00
R / Rfree (%) 22.7 / 25.6

Other elements in 1ds8:

The structure of Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State with the Proton Transfer Inhibitor CD2+ also contains other interesting chemical elements:

Cadmium (Cd) 2 atoms
Magnesium (Mg) 8 atoms
Iron (Fe) 2 atoms

Chlorine Binding Sites:

The binding sites of Chlorine atom in the Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State with the Proton Transfer Inhibitor CD2+ (pdb code 1ds8). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 2 binding sites of Chlorine where determined in the Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State with the Proton Transfer Inhibitor CD2+, PDB code: 1ds8:
Jump to Chlorine binding site number: 1; 2;

Chlorine binding site 1 out of 2 in 1ds8

Go back to Chlorine Binding Sites List in 1ds8
Chlorine binding site 1 out of 2 in the Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State with the Proton Transfer Inhibitor CD2+


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State with the Proton Transfer Inhibitor CD2+ within 5.0Å range:
probe atom residue distance (Å) B Occ
M:Cl1011

b:48.9
occ:1.00
O L:HOH1023 3.0 46.2 1.0
NE2 M:HIS145 3.3 33.6 1.0
O1 M:LDA1012 3.4 59.6 1.0
NH2 M:ARG267 3.5 31.7 1.0
NH1 M:ARG267 3.6 31.8 1.0
CG L:ASN199 3.8 36.7 1.0
CB L:ASN199 3.9 36.9 1.0
CE1 M:HIS145 3.9 33.4 1.0
OD1 L:ASN199 4.0 36.7 1.0
CZ M:ARG267 4.1 32.2 1.0
ND2 L:ASN199 4.2 36.3 1.0
CM1 M:LDA1012 4.3 59.6 1.0
N1 M:LDA1012 4.3 59.9 1.0
CD2 M:HIS145 4.5 33.1 1.0

Chlorine binding site 2 out of 2 in 1ds8

Go back to Chlorine Binding Sites List in 1ds8
Chlorine binding site 2 out of 2 in the Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State with the Proton Transfer Inhibitor CD2+


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Photosynthetic Reaction Center From Rhodobacter Sphaeroides in the Charge-Neutral Dqaqb State with the Proton Transfer Inhibitor CD2+ within 5.0Å range:
probe atom residue distance (Å) B Occ
S:Cl2011

b:59.3
occ:1.00
O R:HOH2015 3.0 46.4 1.0
NE2 S:HIS145 3.3 35.1 1.0
O T:HOH2055 3.6 52.2 1.0
NH2 S:ARG267 3.6 33.8 1.0
O1 S:LDA2013 3.7 63.6 1.0
NH1 S:ARG267 3.7 33.9 1.0
CM1 S:LDA2013 3.8 63.3 1.0
CG R:ASN199 3.9 39.1 1.0
CE1 S:HIS145 3.9 34.9 1.0
CB R:ASN199 3.9 38.6 1.0
OD1 R:ASN199 4.1 39.6 1.0
CZ S:ARG267 4.1 33.6 1.0
ND2 R:ASN199 4.3 39.4 1.0
N1 S:LDA2013 4.3 63.4 1.0
CD2 S:HIS145 4.4 34.5 1.0
CM2 S:LDA2013 4.9 63.3 1.0

Reference:

H.L.Axelrod, E.C.Abresch, M.L.Paddock, M.Y.Okamura, G.Feher. Determination of the Binding Sites of the Proton Transfer Inhibitors CD2+ and ZN2+ in Bacterial Reaction Centers. Proc.Natl.Acad.Sci.Usa V. 97 1542 2000.
ISSN: ISSN 0027-8424
PubMed: 10677497
DOI: 10.1073/PNAS.97.4.1542
Page generated: Thu Jul 10 16:41:28 2025

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