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

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

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

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 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 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

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