PDBe 1yst

X-ray diffraction
3Å resolution

STRUCTURE OF THE PHOTOCHEMICAL REACTION CENTER OF A SPHEROIDENE CONTAINING PURPLE BACTERIUM, RHODOBACTER SPHAEROIDES Y, AT 3 ANGSTROMS RESOLUTION

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Reaction center protein H chain Chain: H
Molecule details ›
Chain: H
Length: 260 amino acids
Theoretical weight: 28.07 KDa
Source organism: Rhodobacter sphaeroides
Expression system: Not provided
UniProt:
  • Canonical: P0C0Y7 (Residues: 1-260; Coverage: 100%)
Gene name: puhA
Sequence domains:
Structure domains:
Reaction center protein L chain Chain: L
Molecule details ›
Chain: L
Length: 273 amino acids
Theoretical weight: 30.62 KDa
Source organism: Rhodobacter sphaeroides
Expression system: Not provided
UniProt:
  • Canonical: P0C0Y8 (Residues: 2-274; Coverage: 97%)
Gene name: pufL
Sequence domains: Photosynthetic reaction centre protein
Structure domains: Membrane spanning alpha-helix pairs
Reaction center protein M chain Chain: M
Molecule details ›
Chain: M
Length: 305 amino acids
Theoretical weight: 34.19 KDa
Source organism: Rhodobacter sphaeroides
Expression system: Not provided
UniProt:
  • Canonical: P0C0Y9 (Residues: 2-306; Coverage: 99%)
Gene name: pufM
Sequence domains: Photosynthetic reaction centre protein
Structure domains: Membrane spanning alpha-helix pairs

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P212121
Unit cell:
a: 143.7Å b: 139.8Å c: 78.65Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.234 0.234 not available
Expression system: Not provided