› 4rcr

X-ray diffraction
2.8Å resolution

STRUCTURE OF THE REACTION CENTER FROM RHODOBACTER SPHAEROIDES R-26 AND 2.4.1: PROTEIN-COFACTOR (BACTERIOCHLOROPHYLL, BACTERIOPHEOPHYTIN, AND CAROTENOID) INTERACTIONS

Released:
DOI: 10.2210/pdb4rcr/pdb
PDB entry 4rcr coloured by chain, front view.
PDB entry 4rcr coloured by chain, side view.
PDB entry 4rcr coloured by chain, top view.
Source organism: Cereibacter sphaeroides
Primary publication:
Structure of the reaction center from Rhodobacter sphaeroides R-26 and 2.4.1: protein-cofactor (bacteriochlorophyll, bacteriopheophytin, and carotenoid) interactions.
Yeates TO, Komiya H, Chirino A, Rees DC, Allen JP, Feher G
Proc Natl Acad Sci U S A 85 7993-7 (1988)
PMID: 3186702

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-142934 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Reaction center protein L chain Chain: L
Molecule details ›
Chain: L
Length: 281 amino acids
Theoretical weight: 31.35 KDa
Source organism: Cereibacter sphaeroides
Expression system: Not provided
UniProt:
  • Canonical: P0C0Y8 (Residues: 2-282; Coverage: 100%)
Gene name: pufL
Sequence domains: Photosynthetic reaction centre protein
Structure domains: Photosystem II protein D1-like
Reaction center protein M chain Chain: M
Molecule details ›
Chain: M
Length: 307 amino acids
Theoretical weight: 34.4 KDa
Source organism: Cereibacter sphaeroides
Expression system: Not provided
UniProt:
  • Canonical: P0C0Y9 (Residues: 2-308; Coverage: 100%)
Gene name: pufM
Sequence domains: Photosynthetic reaction centre protein
Structure domains: Photosystem II protein D1-like
Reaction center protein H chain Chain: H
Molecule details ›
Chain: H
Length: 260 amino acids
Theoretical weight: 28.07 KDa
Source organism: Cereibacter sphaeroides
Expression system: Not provided
UniProt:
  • Canonical: P0C0Y7 (Residues: 1-260; Coverage: 100%)
Gene name: puhA
Sequence domains:
Structure domains:

Ligands and Environments

5 bound ligands:
Ligand BCL 4 x BCL
Ligand BPH 2 x BPH
Ligand U10 2 x U10
Ligand BOG 1 x BOG
Ligand FE 1 x FE
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P212121
Unit cell:
a: 138Å b: 77.5Å c: 141.8Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.227 0.227 not available
Expression system: Not provided

Quick links

Citations

7 review citations

Carotenoids in photosynthesis.
Frank et al. (1996)
6 more

5 mentions without citation

Recent innovations in membrane-protein structural biology.
Allen JP. (2019)
4 more