› 7oy8

Electron Microscopy
2.5Å resolution

Cryo-EM structure of the Rhodospirillum rubrum RC-LH1 complex

Released:
DOI: 10.2210/pdb7oy8/pdb
PDB entry 7oy8 coloured by chain, front view.
PDB entry 7oy8 coloured by chain, side view.
PDB entry 7oy8 coloured by chain, top view.
Source organism: Rhodospirillum rubrum ATCC 11170
Primary publication:
Cryo-EM structure of the Rhodospirillum rubrum RC-LH1 complex at 2.5 Å.
Qian P, Croll TI, Swainsbury DJK, Castro-Hartmann P, Moriarty NW, Sader K, Hunter CN
OpenAccess logo Biochem J 478 3253-3263 (2021)
PMID: 34402504
Related structures: EMD-13110

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-173904 (preferred)
Entry contents:
6 distinct polypeptide molecules
Macromolecules (6 distinct):
Light-harvesting protein B-870 beta chain Chains: 1, 3, 5, 7, 9, I, K, O, Q, S, U, W, Y, d, m, n
Molecule details ›
Chains: 1, 3, 5, 7, 9, I, K, O, Q, S, U, W, Y, d, m, n
Length: 54 amino acids
Theoretical weight: 6.08 KDa
Source organism: Rhodospirillum rubrum ATCC 11170
UniProt:
  • Canonical: Q2RQ23 (Residues: 3-56; Coverage: 78%)
Gene name: Rru_A2977
Sequence domains: Antenna complex alpha/beta subunit
Antenna complex alpha/beta subunit domain-containing protein Chains: 2, 4, 6, 8, A, D, E, F, G, J, N, T, V, X, Z
Molecule details ›
Chains: 2, 4, 6, 8, A, D, E, F, G, J, N, T, V, X, Z
Length: 50 amino acids
Theoretical weight: 5.92 KDa
Source organism: Rhodospirillum rubrum ATCC 11170
UniProt:
  • Canonical: Q2RQ24 (Residues: 1-50; Coverage: 81%)
Gene name: Rru_A2976
Sequence domains: Antenna complex alpha/beta subunit
Photosynthetic reaction center, H-chain Chain: H
Molecule details ›
Chain: H
Length: 257 amino acids
Theoretical weight: 27.98 KDa
Source organism: Rhodospirillum rubrum ATCC 11170
UniProt:
  • Canonical: Q2RWS4 (Residues: 1-257; Coverage: 100%)
Gene name: Rru_A0617
Sequence domains:
Reaction center protein L chain Chain: L
Molecule details ›
Chain: L
Length: 276 amino acids
Theoretical weight: 30.66 KDa
Source organism: Rhodospirillum rubrum ATCC 11170
UniProt:
  • Canonical: Q2RQ25 (Residues: 1-276; Coverage: 100%)
Gene name: Rru_A2975
Sequence domains: Photosynthetic reaction centre protein
Reaction center protein M chain Chain: M
Molecule details ›
Chain: M
Length: 306 amino acids
Theoretical weight: 34.23 KDa
Source organism: Rhodospirillum rubrum ATCC 11170
UniProt:
  • Canonical: Q2RQ26 (Residues: 1-306; Coverage: 100%)
Gene name: Rru_A2974
Sequence domains: Photosynthetic reaction centre protein
Antenna complex alpha/beta subunit domain-containing protein Chain: R
Molecule details ›
Chain: R
Length: 62 amino acids
Theoretical weight: 7.11 KDa
Source organism: Rhodospirillum rubrum ATCC 11170
UniProt:
  • Canonical: Q2RQ24 (Residues: 1-62; Coverage: 100%)
Gene name: Rru_A2976
Sequence domains: Antenna complex alpha/beta subunit

Ligands and Environments

11 bound ligands:
Ligand 07D 37 x 07D
Ligand CRT 17 x CRT
Ligand PGW 2 x PGW
Ligand CD4 2 x CD4
Ligand BPH 2 x BPH
Ligand RQ0 1 x RQ0
Ligand U10 3 x U10
Ligand FE 1 x FE
Ligand CL 1 x CL
Ligand PO4 1 x PO4
Ligand LMT 1 x LMT
1 modified residue:
Ligand FME 15 x FME

Experiments and Validation Details

Entry percentile scores
Resolution: 2.5Å
Relevant EMDB volumes: EMD-13110

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)
9 other articles