PDBe 1z9k

X-ray diffraction
4.6Å resolution

Photosynthetic Reaction Center from Rhodobacter sphaeroides

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero trimer (preferred)
hetero hexamer
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Reaction center protein H chain Chain: C
Molecule details ›
Chain: C
Length: 260 amino acids
Theoretical weight: 28.07 KDa
Source organism: Rhodobacter sphaeroides
Expression system: Rhodobacter sphaeroides
UniProt:
  • Canonical: P0C0Y7 (Residues: 1-260; Coverage: 100%)
Gene name: puhA
Sequence domains:
Reaction center protein L chain Chain: A
Molecule details ›
Chain: A
Length: 281 amino acids
Theoretical weight: 31.35 KDa
Source organism: Rhodobacter sphaeroides
Expression system: Rhodobacter sphaeroides
UniProt:
  • Canonical: P0C0Y8 (Residues: 2-282; Coverage: 100%)
Gene name: pufL
Sequence domains: Photosynthetic reaction centre protein
Reaction center protein M chain Chain: B
Molecule details ›
Chain: B
Length: 307 amino acids
Theoretical weight: 34.4 KDa
Source organism: Rhodobacter sphaeroides
Expression system: Rhodobacter sphaeroides
UniProt:
  • Canonical: P0C0Y9 (Residues: 2-308; Coverage: 100%)
Gene name: pufM
Sequence domains: Photosynthetic reaction centre protein

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P4222
Unit cell:
a: 207.8Å b: 207.8Å c: 107.5Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.34 0.33 0.33
Expression system: Rhodobacter sphaeroides