› 6q53

X-ray diffraction
3.7Å resolution

CRYSTAL STRUCTURE OF THE LIGHT-HARVESTING COMPLEX II (B800-850) FROM Ectothiorhodospira haloalkaliphila

Released:
DOI: 10.2210/pdb6q53/pdb
PDB entry 6q53 coloured by chain, front view.
PDB entry 6q53 coloured by chain, side view.
PDB entry 6q53 coloured by chain, top view.
Source organisms:
Primary publication:
Controlling Photosynthetic Excitons by Selective Pigment Photooxidation.
Leiger K, Linnanto JM, Rätsep M, Timpmann K, Ashikhmin AA, Moskalenko AA, Fufina TY, Gabdulkhakov AG, Freiberg A
J Phys Chem B 123 29-38 (2019)
PMID: 30543422

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-167288 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
light-harvesting protein subunit alpha Chains: A, D
Molecule details ›
Chains: A, D
Length: 61 amino acids
Theoretical weight: 7.14 KDa
Source organism: Ectothiorhodospira haloalkaliphila
Expression system: Ectothiorhodospira haloalkaliphila
Antenna complex alpha/beta subunit domain-containing protein Chains: B, E
Molecule details ›
Chains: B, E
Length: 45 amino acids
Theoretical weight: 5.31 KDa
Source organism: Halorhodospira halochloris str. A
Expression system: Ectothiorhodospira haloalkaliphila
UniProt:
  • Canonical: W8L932 (Residues: 1-45; Coverage: 100%)
Gene name: M911_15650
Sequence domains: Antenna complex alpha/beta subunit

Ligands and Environments

3 bound ligands:
Ligand BCL 6 x BCL
Ligand LYC 2 x LYC
Ligand DET 3 x DET
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1
Spacegroup: P432
Unit cell:
a: 177.24Å b: 177.24Å c: 177.24Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.242 0.24 0.277
Expression system: Ectothiorhodospira haloalkaliphila

Quick links

Citations

6 citation in other articles

Cryo-EM Structure of the Rhodobacter sphaeroides Light-Harvesting 2 Complex at 2.1 Å.
Qian et al. (2021)
5 more