4jq0

X-ray diffraction
3.84Å resolution

Voltage-gated sodium channel 1.5 C-terminal domain in complex with FGF12B and Ca2+/calmodulin

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-143931 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Fibroblast growth factor 12 Chain: A
Molecule details ›
Chain: A
Length: 243 amino acids
Theoretical weight: 27.44 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P61328 (Residues: 1-243; Coverage: 100%)
Gene names: FGF12, FGF12B, FHF1
Sequence domains: Fibroblast growth factor
Structure domains: Trefoil (Acidic Fibroblast Growth Factor, subunit A)
Calmodulin-1 Chain: C
Molecule details ›
Chain: C
Length: 149 amino acids
Theoretical weight: 16.85 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P0DP23 (Residues: 1-149; Coverage: 100%)
Gene names: CALM, CALM1, CAM, CAM1
Sequence domains: EF-hand domain pair
Sodium channel protein type 5 subunit alpha Chain: D
Molecule details ›
Chain: D
Length: 191 amino acids
Theoretical weight: 21.83 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q14524 (Residues: 1773-1940; Coverage: 8%)
Gene name: SCN5A
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P3121
Unit cell:
a: 115.2Å b: 115.2Å c: 120.11Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.257 0.253 0.32
Expression system: Escherichia coli