1kzu

X-ray diffraction
2.5Å resolution

INTEGRAL MEMBRANE PERIPHERAL LIGHT HARVESTING COMPLEX FROM RHODOPSEUDOMONAS ACIDOPHILA STRAIN 10050

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero octadecamer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Light-harvesting protein B-800/850 alpha chain Chains: A, D, G
Molecule details ›
Chains: A, D, G
Length: 53 amino acids
Theoretical weight: 5.69 KDa
Source organism: Rhodoblastus acidophilus
UniProt:
  • Canonical: P26789 (Residues: 1-53; Coverage: 100%)
Sequence domains: Antenna complex alpha/beta subunit
Structure domains: Light-harvesting complex
Light-harvesting protein B-800/850 beta chain Chains: B, E, H
Molecule details ›
Chains: B, E, H
Length: 41 amino acids
Theoretical weight: 4.56 KDa
Source organism: Rhodoblastus acidophilus
UniProt:
  • Canonical: P26790 (Residues: 1-41; Coverage: 100%)
Sequence domains: Antenna complex alpha/beta subunit
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces

Ligands and Environments

2 bound ligands:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SRS BEAMLINE PX9.6
Spacegroup: R32
Unit cell:
a: 120.3Å b: 120.3Å c: 296.2Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.227 0.227 0.252