Structure analysis

Crystal Structure of Ca2+/CaM-CaV2.1 IQ domain complex

X-ray diffraction
2.6Å resolution
Assembly composition:
Non-polymer only dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: Non-polymer only dimer
Accessible surface area: 8700 Å2
Buried surface area: 2900 Å2
Dissociation area: 1,300 Å2
Dissociation energy (ΔGdiss): 24 kcal/mol
Dissociation entropy (TΔSdiss): 9 kcal/mol
Interface energy (ΔGint): -81 kcal/mol
Symmetry number: 1

Macromolecules

Chain: A
Length: 148 amino acids
Theoretical weight: 16.72 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P0DP23 (Residues: 2-149; Coverage: 99%)
Gene names: CALM, CALM1, CAM, CAM1
Pfam: EF-hand domain pair
InterPro:
CATH: EF-hand

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