8X2J: Cryo-EM structure of the photosynthetic alternative complex III with a quinone inhibitor HQNO from Chloroflexus aurantiacus

PDB ID: 8X2JDownload
MMDB ID: 243840
PDB Deposition Date: 2023/11/9
Updated in MMDB: 2025/08
Experimental Method:
electron microscopy
Resolution: 2.7  Å
Source Organism:
Similar Structures:
Biological Unit for 8X2J: octameric; determined by author
Molecular Components in 8X2J
Label Count Molecule
Proteins (8 molecules)
1
Cytochrome C7-like Domain-containing Protein
Molecule annotation
1
Fe-s-cluster-containing Hydrogenase Components 1-like Protein
Molecule annotation
1
Polysulphide Reductase Nrfd
Molecule annotation
1
Quinol:cytochrome C Oxidoreductase Membrane Protein
Molecule annotation
1
Cytochrome C Domain-containing Protein
Molecule annotation
1
Quinol:cytochrome C Oxidoreductase Quinone-binding Subunit 2
Molecule annotation
1
Uncharacterized Protein
Molecule annotation
1
Unknown
Molecule annotation
Chemicals and Non-standard biopolymers (14 molecules)
1
6
HEME CHEME C
2
3
IRON/SULFUR CLUSTERIRON/SULFUR CLUSTER
3
1
FE3-S4 CLUSTERFE3-S4 CLUSTER
4
1
[(2~{R})-3-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-2-tetradecanoyloxy-propyl] hexadecanoate[(2~{R})-3-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-2-tetradecanoyloxy-propyl] hexadecanoate
5
1
2-HEPTYL-4-HYDROXY QUINOLINE N-OXIDE2-HEPTYL-4-HYDROXY QUINOLINE N-OXIDE
6
1
[(2~{R})-3-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-2-pentadecanoyloxy-propyl] pentadecanoate[(2~{R})-3-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-2-pentadecanoyloxy-propyl] pentadecanoate
7
1
1,3-bis(13-methyltetradecanoyloxy)propan-2-yl pentadecanoate1,3-bis(13-methyltetradecanoyloxy)propan-2-yl pentadecanoate
* Click molecule labels to explore molecular sequence information.
Citing MMDB
Madej T, Lanczycki CJ, Zhang D, Thiessen PA, Geer RC, Marchler-Bauer A, Bryant SH. " MMDB and VAST+: tracking structural similarities between macromolecular complexes. Nucleic Acids Res. 2014 Jan; 42(Database issue):D297-303