› 7zne

X-ray diffraction
2.1Å resolution

Crystal structure of the light-driven inward proton pump xenorhodopsin BcXeR in the ground state at pH 8.2 at room temperature, 7.5-ms-long snapshots

Released:
DOI: 10.2210/pdb7zne/pdb
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PDB entry 7zne coloured by chain, front view.
PDB entry 7zne coloured by chain, side view.
PDB entry 7zne coloured by chain, top view.
Source organism: Bacillus coahuilensis
Primary publication:
Mechanisms of inward transmembrane proton translocation.
Kovalev K, Tsybrov F, Alekseev A, Shevchenko V, Soloviov D, Siletsky S, Bourenkov G, Agthe M, Nikolova M, von Stetten D, Astashkin R, Bukhdruker S, Chizhov I, Royant A, Kuzmin A, Gushchin I, Rosselli R, Rodriguez-Valera F, Ilyinskiy N, Rogachev A, Borshchevskiy V, Schneider TR, Bamberg E, Gordeliy V
Nat Struct Mol Biol (2023)
PMID: 37386213

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-288983 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Lactococcin Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 229 amino acids
Theoretical weight: 25.73 KDa
Source organism: Bacillus coahuilensis
Expression system: Escherichia coli
UniProt:
  • Canonical: A0AA82WPB4 (Residues: 1-229; Coverage: 100%)

Ligands and Environments

3 bound ligands:
Ligand LFA 34 x LFA
Ligand OLA 13 x OLA
Ligand PO4 1 x PO4
2 modified residues:
Ligand FME 3 x FME
Ligand LYR 3 x LYR

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2)
Spacegroup: P212121
Unit cell:
a: 71.5Å b: 111.5Å c: 119.3Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.187 0.186 0.216
Expression system: Escherichia coli

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