› 6lod

Electron Microscopy
3.2Å resolution

Cryo-EM structure of the air-oxidized photosynthetic alternative complex III from Roseiflexus castenholzii

Released:
DOI: 10.2210/pdb6lod/pdb
PDB entry 6lod coloured by chain, front view.
PDB entry 6lod coloured by chain, side view.
PDB entry 6lod coloured by chain, top view.
Source organism: Roseiflexus castenholzii DSM 13941
Primary publication:
Cryo-EM structures of the air-oxidized and dithionite-reduced photosynthetic alternative complex III from Roseiflexus castenholzii.
Shi Y, Xin Y, Wang C, Blankenship RE, Sun F, Xu X
OpenAccess logo Sci Adv 6 eaba2739 (2020)
PMID: 32832681
Related structures: EMD-0936

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-108380 (preferred)
Entry contents:
6 distinct polypeptide molecules
Macromolecules (6 distinct):
Cytochrome c7-like domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 226 amino acids
Theoretical weight: 26.08 KDa
Source organism: Roseiflexus castenholzii DSM 13941
UniProt:
  • Canonical: A7NJ87 (Residues: 1-226; Coverage: 100%)
Gene name: Rcas_1462
Sequence domains: Cytochrome c7 and related cytochrome c
4Fe-4S ferredoxin-type domain-containing protein Chain: B
Molecule details ›
Chain: B
Length: 933 amino acids
Theoretical weight: 102.52 KDa
Source organism: Roseiflexus castenholzii DSM 13941
UniProt:
  • Canonical: A7NJ88 (Residues: 78-1010; Coverage: 92%)
Gene name: Rcas_1463
Sequence domains: Molydopterin dinucleotide binding domain
Polysulphide reductase NrfD Chain: C
Molecule details ›
Chain: C
Length: 471 amino acids
Theoretical weight: 53.94 KDa
Source organism: Roseiflexus castenholzii DSM 13941
UniProt:
  • Canonical: A7NJ89 (Residues: 1-471; Coverage: 100%)
Gene name: Rcas_1464
Sequence domains: Polysulphide reductase, NrfD
Quinol:cytochrome c oxidoreductase membrane protein Chain: D
Molecule details ›
Chain: D
Length: 192 amino acids
Theoretical weight: 21.07 KDa
Source organism: Roseiflexus castenholzii DSM 13941
UniProt:
  • Canonical: A7NJ90 (Residues: 1-192; Coverage: 100%)
Gene name: Rcas_1465
Sequence domains: Alternative complex III, ActD subunit
Cytochrome c domain-containing protein Chain: E
Molecule details ›
Chain: E
Length: 162 amino acids
Theoretical weight: 18.25 KDa
Source organism: Roseiflexus castenholzii DSM 13941
UniProt:
  • Canonical: A7NJ91 (Residues: 33-193; Coverage: 83%)
Gene name: Rcas_1466
Sequence domains: Cytochrome C oxidase, cbb3-type, subunit III
Quinol:cytochrome c oxidoreductase quinone-binding subunit 2 Chain: F
Molecule details ›
Chain: F
Length: 414 amino acids
Theoretical weight: 46.55 KDa
Source organism: Roseiflexus castenholzii DSM 13941
UniProt:
  • Canonical: A7NJ92 (Residues: 1-414; Coverage: 100%)
Gene name: Rcas_1467

Ligands and Environments

4 bound ligands:
Ligand HEC 6 x HEC
Ligand EL6 2 x EL6
Ligand SF4 3 x SF4
Ligand F3S 1 x F3S
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.2Å
Relevant EMDB volumes: EMD-0936

Quick links

Citations

2 citation in other articles

Crop Rotation With Cress Increases Cucumber Yields by Regulating the Composition of the Rhizosphere Soil Microbial Community.
Gong et al. (2021)
1 more

3 mentions without citation

Detergent-free systems for structural studies of membrane proteins.
Guo Y. (2021)
2 more