› 7eqd

Electron Microscopy
2.76Å resolution

STRUCTURE OF PHOTOSYNTHETIC LH1-RC SUPER-COMPLEX OF RHODOSPIRILLUM RUBRUM

Released:
DOI: 10.2210/pdb7eqd/pdb
PDB entry 7eqd coloured by chain, front view.
PDB entry 7eqd coloured by chain, side view.
PDB entry 7eqd coloured by chain, top view.
Source organisms:
Primary publication:
Cryo-EM Structure of the Photosynthetic LH1-RC Complex from Rhodospirillum rubrum.
Tani K, Kanno R, Ji XC, Hall M, Yu LJ, Kimura Y, Madigan MT, Mizoguchi A, Humbel BM, Wang-Otomo ZY
Biochemistry (2021)
PMID: 34323477
Related structures: EMD-31258

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
hetero 35-mer (preferred)
PDBe Complex ID:
PDB-CPX-136416 (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
Reaction center protein L chain Chain: L
Molecule details ›
Chain: L
Length: 275 amino acids
Theoretical weight: 30.53 KDa
Source organism: Rhodospirillum rubrum
UniProt:
  • Canonical: P10717 (Residues: 2-276; Coverage: 100%)
Gene name: pufL
Sequence domains: Photosynthetic reaction centre protein
Reaction center protein M chain Chain: M
Molecule details ›
Chain: M
Length: 305 amino acids
Theoretical weight: 34.1 KDa
Source organism: Rhodospirillum rubrum ATCC 11170
UniProt:
  • Canonical: Q2RQ26 (Residues: 2-306; Coverage: 100%)
Gene name: Rru_A2974
Sequence domains: Photosynthetic reaction centre protein
Photoreaction center protein H Chain: H
Light-harvesting protein B-870 alpha chain Chains: 1, 3, 5, 7, 9, A, D, F, I, K, O, Q, S, U, W, Y
Light-harvesting protein B-870 beta chain Chains: 0, 2, 4, 6, 8, B, E, G, J, N, P, R, T, V, X, Z

Ligands and Environments

10 bound ligands:
Ligand 07D 36 x 07D
Ligand 08I 2 x 08I
Ligand U10 2 x U10
Ligand PGV 2 x PGV
Ligand LMT 23 x LMT
Ligand FE 1 x FE
Ligand RQ0 1 x RQ0
Ligand CRT 17 x CRT
Ligand CDL 5 x CDL
Ligand PEF 3 x PEF
1 modified residue:
Ligand FME 16 x FME

Experiments and Validation Details

wwPDB Validation report is not available for this EM entry.
Resolution: 2.76Å
Relevant EMDB volumes: EMD-31258

Quick links

Citations

1 review citation

Role of hydrogen-bond networks on the donor side of photosynthetic reaction centers from purple bacteria.
Fufina et al. (2023)
10 other articles

1 mention without citation

New insights on the photocomplex of Roseiflexus castenholzii revealed from comparisons of native and carotenoid-depleted complexes.
Qi et al. (2023)