5kxi

X-ray diffraction
3.94Å resolution

X-ray structure of the human Alpha4Beta2 nicotinic receptor

Released:
Source organism: Homo sapiens
Primary publication:
X-ray structure of the human α4β2 nicotinic receptor.
Nature 538 411-415 (2016)
PMID: 27698419

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-148175 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Neuronal acetylcholine receptor subunit alpha-4 Chains: A, D
Molecule details ›
Chains: A, D
Length: 386 amino acids
Theoretical weight: 44.86 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: P43681 (Residues: 27-364, 586-627; Coverage: 63%)
Gene names: CHRNA4, NACRA4
Sequence domains:
Neuronal acetylcholine receptor subunit beta-2 Chains: B, C, E
Molecule details ›
Chains: B, C, E
Length: 403 amino acids
Theoretical weight: 46.75 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: P17787 (Residues: 26-355, 446-502; Coverage: 81%)
Gene name: CHRNB2
Sequence domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-C
Spacegroup: P212121
Unit cell:
a: 127.099Å b: 132.633Å c: 202.44Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.286 0.285 0.307
Expression system: Homo sapiens