8fd7

Electron Microscopy
3.1Å resolution

Structure of the human L-type voltage-gated calcium channel Cav1.2 complexed with gabapentin

Released:
Primary publication:
Structural basis for CaVα2δ:gabapentin binding.
Nat Struct Mol Biol (2023)
PMID: 36973510
Related structures: EMD-29004

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-146771 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (4 distinct):
Voltage-dependent calcium channel subunit alpha-2/delta-1 Chain: D
Molecule details ›
Chain: D
Length: 1105 amino acids
Theoretical weight: 125.08 KDa
Source organism: Oryctolagus cuniculus
Expression system: Homo sapiens
UniProt:
  • Canonical: P13806 (Residues: 1-1106; Coverage: 100%)
Gene names: CACNA2D1, CACNL2A, CCHL2A
Sequence domains:
Voltage-dependent L-type calcium channel subunit alpha-1C Chain: K
Molecule details ›
Chain: K
Length: 1648 amino acids
Theoretical weight: 187.08 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q13936 (Residues: 1-1696; Coverage: 74%)
  • Best match: Q13936-12 (Residues: 1-1648)
Gene names: CACH2, CACN2, CACNA1C, CACNL1A1, CCHL1A1
Sequence domains:
Voltage-dependent L-type calcium channel subunit beta-3 Chain: C
Molecule details ›
Chain: C
Length: 477 amino acids
Theoretical weight: 53.89 KDa
Source organism: Oryctolagus cuniculus
Expression system: Homo sapiens
UniProt:
  • Canonical: P54286 (Residues: 1-477; Coverage: 100%)
Gene names: CACNB3, CACNLB3
Sequence domains:

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.1Å
Relevant EMDB volumes: EMD-29004
Expression system: Homo sapiens