› 8qqz

Electron Microscopy
2.63Å resolution

Cryo-EM structure of the light-driven sodium pump ErNaR in the pentameric form at pH 8.0

Released:
DOI: 10.2210/pdb8qqz/pdb
PDB entry 8qqz coloured by chain, front view.
PDB entry 8qqz coloured by chain, side view.
PDB entry 8qqz coloured by chain, top view.
Source organism: Erythrobacter
Primary publication:
A subgroup of light-driven sodium pumps with an additional Schiff base counterion.
Podoliak E, Lamm GHU, Marin E, Schellbach AV, Fedotov DA, Stetsenko A, Asido M, Maliar N, Bourenkov G, Balandin T, Baeken C, Astashkin R, Schneider TR, Bateman A, Wachtveitl J, Schapiro I, Busskamp V, Guskov A, Gordeliy V, Alekseev A, Kovalev K
Nat Commun 15 3119 (2024)
PMID: 38600129
Related structures: EMD-18609

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo pentamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-243285 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Bacteriorhodopsin-like protein Chains: A, B, C, D, E
Molecule details ›
Chains: A, B, C, D, E
Length: 283 amino acids
Theoretical weight: 32.05 KDa
Source organism: Erythrobacter
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A1H1XA63 (Residues: 1-283; Coverage: 100%)
Gene name: SAMN04515621_2824
Sequence domains: Bacteriorhodopsin-like protein

Ligands and Environments

2 bound ligands:
Ligand LFA 46 x LFA
Ligand LMT 10 x LMT
2 modified residues:
Ligand FME 5 x FME
Ligand LYR 5 x LYR

Experiments and Validation Details

Entry percentile scores
Resolution: 2.63Å
Relevant EMDB volumes: EMD-18609
Expression system: Escherichia coli

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