PDBe 1vyv

X-ray diffraction
3Å resolution

beta4 subunit of Ca2+ channel


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Voltage-dependent L-type calcium channel subunit beta-4 Chains: A, B
Molecule details ›
Chains: A, B
Length: 359 amino acids
Theoretical weight: 40.38 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli BL21(DE3)
  • Canonical: D4A055 (Residues: 49-407; Coverage: 69%)
Gene name: Cacnb4
Sequence domains: Guanylate kinase
Structure domains:

Ligands and Environments

No bound ligands

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4A
Spacegroup: P21
Unit cell:
a: 60.3Å b: 83.2Å c: 72.3Å
α: 90° β: 94.9° γ: 90°
R R work R free
0.248 0.248 0.287
Expression system: Escherichia coli BL21(DE3)