› 4v9g

X-ray diffraction
7.78Å resolution

RC-LH1-PufX dimer complex from Rhodobacter sphaeroides

Released:
DOI: 10.2210/pdb4v9g/pdb
Model geometry
Fit model/data
PDB entry 4v9g coloured by chain, front view.
PDB entry 4v9g coloured by chain, side view.
PDB entry 4v9g coloured by chain, top view.
Source organism: Cereibacter sphaeroides
Primary publication:
Three-dimensional structure of the Rhodobacter sphaeroides RC-LH1-PufX complex: dimerization and quinone channels promoted by PufX.
Qian P, Papiz MZ, Jackson PJ, Brindley AA, Ng IW, Olsen JD, Dickman MJ, Bullough PA, Hunter CN
Biochemistry 52 7575-85 (2013)
PMID: 24131108

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero 64-mer (preferred)
PDBe Complex ID:
PDB-CPX-142931 (preferred)
Entry contents:
6 distinct polypeptide molecules
Macromolecules (6 distinct):
Light-harvesting protein B-875 alpha chain Chains: A1, A2, A3, A5, A7, AD, AF, AJ, AN, AP, AT, AV, AX, AZ, B1, B2, B3, B5, B7, BD, BF, BJ, BN, BP, BT, BV, BX, BZ
Molecule details ›
Chains: A1, A2, A3, A5, A7, AD, AF, AJ, AN, AP, AT, AV, AX, AZ, B1, B2, B3, B5, B7, BD, BF, BJ, BN, BP, BT, BV, BX, BZ
Length: 58 amino acids
Theoretical weight: 6.82 KDa
Source organism: Cereibacter sphaeroides
UniProt:
  • Canonical: P0C0X9 (Residues: 1-58; Coverage: 100%)
Gene name: pufA
Sequence domains: Antenna complex alpha/beta subunit
Intrinsic membrane protein PufX Chains: AB, BB
Molecule details ›
Chains: AB, BB
Length: 82 amino acids
Theoretical weight: 9.06 KDa
Source organism: Cereibacter sphaeroides
UniProt:
  • Canonical: P13402 (Residues: 1-82; Coverage: 100%)
Gene names: RHOS4_18590, RSP_0255, pufX
Sequence domains: Intrinsic membrane protein PufX
Light-harvesting protein B-875 beta chain Chains: A4, A6, A8, A9, AE, AG, AI, AK, AO, AQ, AS, AU, AW, AY, B4, B6, B8, B9, BE, BG, BI, BK, BO, BQ, BS, BU, BW, BY
Reaction center protein H chain Chains: AH, BH
Reaction center protein L chain Chains: AL, BL
Reaction center protein M chain Chains: AM, BM

Ligands and Environments

6 bound ligands:
Ligand BCL 64 x BCL
Ligand BPH 4 x BPH
Ligand U10 3 x U10
Ligand PO4 2 x PO4
Ligand FE2 2 x FE2
Ligand SPO 1 x SPO
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: SRS BEAMLINE PX9.6
Spacegroup: P21
Unit cell:
a: 78.077Å b: 415.075Å c: 129.818Å
α: 90° β: 105.75° γ: 90°
R-values:
R R work R free
0.229 0.228 0.258

Quick links

Citations

3 review citations

Structure and energy transfer in photosystems of oxygenic photosynthesis.
Nelson et al. (2015)
2 more

9 mentions without citation

A comparative look at structural variation among RC-LH1 'Core' complexes present in anoxygenic phototrophic bacteria.
Gardiner et al. (2020)
8 more