4twd

X-ray diffraction
3.2Å resolution

X-ray structure of a pentameric ligand gated ion channel from Erwinia chrysanthemi (ELIC) in complex with memantine

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo pentamer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cys-loop ligand-gated ion channel Chains: A, B, C, D, E, F, G, H, I, J
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J
Length: 307 amino acids
Theoretical weight: 35.28 KDa
Source organism: Dickeya chrysanthemi
Expression system: Escherichia coli
UniProt:
  • Canonical: P0C7B7 (Residues: 11-163, 164-316; Coverage: 95%)
Sequence domains: Neurotransmitter-gated ion-channel ligand binding domain
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06DA
Spacegroup: P21
Unit cell:
a: 105.482Å b: 265.284Å c: 111.098Å
α: 90° β: 110.28° γ: 90°
R-values:
R R work R free
0.202 0.199 0.252
Expression system: Escherichia coli