6uwz

Electron Microscopy
2.69Å resolution

Cryo-EM structure of Torpedo acetylcholine receptor in complex with alpha-bungarotoxin

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero heptamer (preferred)
PDBe Complex ID:
PDB-CPX-136091 (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (8 distinct):
Acetylcholine receptor subunit alpha Chains: A, D
Molecule details ›
Chains: A, D
Length: 437 amino acids
Theoretical weight: 50.17 KDa
Source organism: Tetronarce californica
UniProt:
  • Canonical: P02710 (Residues: 25-461; Coverage: 100%)
Gene name: CHRNA1
Sequence domains:
Acetylcholine receptor subunit delta Chain: B
Molecule details ›
Chain: B
Length: 501 amino acids
Theoretical weight: 57.63 KDa
Source organism: Tetronarce californica
UniProt:
  • Canonical: P02718 (Residues: 22-522; Coverage: 100%)
Gene name: chrnd
Sequence domains:
Acetylcholine receptor subunit beta Chain: C
Molecule details ›
Chain: C
Length: 469 amino acids
Theoretical weight: 53.73 KDa
Source organism: Tetronarce californica
UniProt:
  • Canonical: P02712 (Residues: 25-493; Coverage: 100%)
Gene name: CHRNB1
Sequence domains:
Acetylcholine receptor subunit gamma Chain: E
Molecule details ›
Chain: E
Length: 489 amino acids
Theoretical weight: 56.57 KDa
Source organism: Tetronarce californica
UniProt:
  • Canonical: P02714 (Residues: 18-506; Coverage: 100%)
Gene name: CHRNG
Sequence domains:
Alpha-bungarotoxin Chains: F, G
Molecule details ›
Chains: F, G
Length: 74 amino acids
Theoretical weight: 8.01 KDa
Source organism: Bungarus multicinctus
Expression system: Not provided
UniProt:
  • Canonical: P60615 (Residues: 22-95; Coverage: 100%)

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, BMA, MAN
Carbohydrate polymer : NEW Components: NAG, BMA
Carbohydrate polymer : NEW Components: NAG, MAN
3 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
Resolution: 2.69Å
Relevant EMDB volumes: EMD-20928
Expression system: Not provided