7qna

Electron Microscopy
3Å resolution

Cryo-EM structure of human full-length alpha4beta3gamma2 GABA(A)R in complex with GABA and nanobody Nb25

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-276163 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (6 distinct):
Gamma-aminobutyric acid receptor subunit alpha-4 Chain: A
Molecule details ›
Chain: A
Length: 554 amino acids
Theoretical weight: 61.7 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: P48169 (Residues: 1-554; Coverage: 100%)
Gene name: GABRA4
Sequence domains:
Gamma-aminobutyric acid receptor subunit beta-3 Chains: B, D, E
Molecule details ›
Chains: B, D, E
Length: 473 amino acids
Theoretical weight: 54.18 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: P28472 (Residues: 1-473; Coverage: 100%)
Gene name: GABRB3
Sequence domains:
Gamma-aminobutyric acid receptor subunit gamma-2 Chain: C
Nanobody Nb25 Chain: N

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, BMA, MAN
Carbohydrate polymer : NEW Components: NAG
2 bound ligands:
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this EM entry.
Resolution:
Relevant EMDB volumes: EMD-14072
Expression systems:
  • Homo sapiens
  • Escherichia coli