› 1pcr

X-ray diffraction
2.65Å resolution

STRUCTURE OF THE PHOTOSYNTHETIC REACTION CENTRE FROM RHODOBACTER SPHAEROIDES AT 2.65 ANGSTROMS RESOLUTION: COFACTORS AND PROTEIN-COFACTOR INTERACTIONS

Released:
DOI: 10.2210/pdb1pcr/pdb
PDB entry 1pcr coloured by chain, front view.
PDB entry 1pcr coloured by chain, side view.
PDB entry 1pcr coloured by chain, top view.
Source organism: Cereibacter sphaeroides
Primary publication:
Structure of the photosynthetic reaction centre from Rhodobacter sphaeroides at 2.65 A resolution: cofactors and protein-cofactor interactions.
Ermler U, Fritzsch G, Buchanan SK, Michel H
Structure 2 925-36 (1994)
PMID: 7866744

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

7 bound ligands:
Ligand BCL 4 x BCL
Ligand BPH 2 x BPH
Ligand U10 2 x U10
Ligand LDA 9 x LDA
Ligand FE 1 x FE
Ligand PO4 1 x PO4
Ligand SPO 1 x SPO
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P3121
Unit cell:
a: 141.3Å b: 141.3Å c: 187.2Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.186 0.186 not available
Expression system: Not provided

Quick links

Citations

44 review citations

Helical membrane protein folding, stability, and evolution.
Popot et al. (2000)
43 more

17 mentions without citation

Shedding Light on Primary Donors in Photosynthetic Reaction Centers.
Gorka et al. (2021)
16 more