X-ray diffraction
2.23Å resolution

Complex of CaMBR and CaM


Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Sodium/hydrogen exchanger 1 Chain: A
Molecule details ›
Chain: A
Length: 70 amino acids
Theoretical weight: 8.55 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P19634 (Residues: 622-689; Coverage: 8%)
Gene names: APNH1, NHE1, SLC9A1
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Calmodulin-1 Chain: B
Molecule details ›
Chain: B
Length: 150 amino acids
Theoretical weight: 16.92 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P0DP29 (Residues: 1-149; Coverage: 100%)
Gene names: CaMI, Calm, Calm1, Cam, Cam1
Sequence domains: EF-hand domain pair

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: C2
Unit cell:
a: 200.7Å b: 38.35Å c: 34.1Å
α: 90° β: 91.35° γ: 90°
R R work R free
0.176 0.173 0.232
Expression system: Escherichia coli BL21(DE3)