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Chlorine in PDB 2acz: Complex II (Succinate Dehydrogenase) From E. Coli with Atpenin A5 Inhibitor Co-Crystallized at the Ubiquinone Binding Site

Enzymatic activity of Complex II (Succinate Dehydrogenase) From E. Coli with Atpenin A5 Inhibitor Co-Crystallized at the Ubiquinone Binding Site

All present enzymatic activity of Complex II (Succinate Dehydrogenase) From E. Coli with Atpenin A5 Inhibitor Co-Crystallized at the Ubiquinone Binding Site:
1.3.99.1;

Protein crystallography data

The structure of Complex II (Succinate Dehydrogenase) From E. Coli with Atpenin A5 Inhibitor Co-Crystallized at the Ubiquinone Binding Site, PDB code: 2acz was solved by R.Horsefield, V.Yankovskaya, G.Sexton, W.Whittingham, K.Shiomi, S.Omura, B.Byrne, G.Cecchini, S.Iwata, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 40.00 / 3.10
Space group H 3 2
Cell size a, b, c (Å), α, β, γ (°) 138.759, 138.759, 521.873, 90.00, 90.00, 120.00
R / Rfree (%) 26.4 / 30.8

Other elements in 2acz:

The structure of Complex II (Succinate Dehydrogenase) From E. Coli with Atpenin A5 Inhibitor Co-Crystallized at the Ubiquinone Binding Site also contains other interesting chemical elements:

Iron (Fe) 10 atoms

Chlorine Binding Sites:

The binding sites of Chlorine atom in the Complex II (Succinate Dehydrogenase) From E. Coli with Atpenin A5 Inhibitor Co-Crystallized at the Ubiquinone Binding Site (pdb code 2acz). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 2 binding sites of Chlorine where determined in the Complex II (Succinate Dehydrogenase) From E. Coli with Atpenin A5 Inhibitor Co-Crystallized at the Ubiquinone Binding Site, PDB code: 2acz:
Jump to Chlorine binding site number: 1; 2;

Chlorine binding site 1 out of 2 in 2acz

Go back to Chlorine Binding Sites List in 2acz
Chlorine binding site 1 out of 2 in the Complex II (Succinate Dehydrogenase) From E. Coli with Atpenin A5 Inhibitor Co-Crystallized at the Ubiquinone Binding Site


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Complex II (Succinate Dehydrogenase) From E. Coli with Atpenin A5 Inhibitor Co-Crystallized at the Ubiquinone Binding Site within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Cl131

b:85.1
occ:1.00
CL12 C:AT5131 0.0 85.1 1.0
C13 C:AT5131 1.8 84.8 1.0
C14 C:AT5131 2.8 85.4 1.0
C12 C:AT5131 2.8 83.7 1.0
C17 C:AT5131 3.2 82.9 1.0
C11 C:AT5131 3.3 82.4 1.0
CL16 C:AT5131 3.8 84.6 1.0
C10 C:AT5131 4.3 82.2 1.0
C8 C:AT5131 4.4 80.6 1.0
CD1 C:LEU15 4.4 63.7 1.0

Chlorine binding site 2 out of 2 in 2acz

Go back to Chlorine Binding Sites List in 2acz
Chlorine binding site 2 out of 2 in the Complex II (Succinate Dehydrogenase) From E. Coli with Atpenin A5 Inhibitor Co-Crystallized at the Ubiquinone Binding Site


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Complex II (Succinate Dehydrogenase) From E. Coli with Atpenin A5 Inhibitor Co-Crystallized at the Ubiquinone Binding Site within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Cl131

b:84.6
occ:1.00
CL16 C:AT5131 0.0 84.6 1.0
C14 C:AT5131 1.8 85.4 1.0
C13 C:AT5131 2.8 84.8 1.0
CL12 C:AT5131 3.8 85.1 1.0
C12 C:AT5131 4.1 83.7 1.0
CD1 C:LEU15 4.2 63.7 1.0
CH2 B:TRP164 4.3 56.4 1.0
CZ2 B:TRP164 4.6 57.2 1.0
C17 C:AT5131 4.8 82.9 1.0

Reference:

R.Horsefield, V.Yankovskaya, G.Sexton, W.Whittingham, K.Shiomi, S.Omura, B.Byrne, G.Cecchini, S.Iwata. Structural and Computational Analysis of the Quinone-Binding Site of Complex II (Succinate-Ubiquinone Oxidoreductase): A Mechanism of Electron Transfer and Proton Conduction During Ubiquinone Reduction. J.Biol.Chem. V. 281 7309 2006.
ISSN: ISSN 0021-9258
PubMed: 16407191
DOI: 10.1074/JBC.M508173200
Page generated: Thu Jul 10 21:07:13 2025

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