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Crystal structure of n-aequorin

X-ray diffraction
1.6Å resolution
PDB entry 1uhk coloured by chain, front view.
PDB entry 1uhk coloured by chain, side view.
PDB entry 1uhk coloured by chain, top view.
Source organism: Aequorea victoria
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Aequorin-2
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Multimeric state: monomeric
Accessible surface area: 9115.44 Å2
Buried surface area: 1036.89 Å2
Dissociation area: 518.45 Å2
Dissociation energy (ΔGdiss): 6.06 kcal/mol
Dissociation entropy (TΔSdiss): 5.5 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-135947
Assembly 2
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Assembly Name: Aequorin-2
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Multimeric state: monomeric
Accessible surface area: 9223.19 Å2
Buried surface area: 1038.22 Å2
Dissociation area: 519.11 Å2
Dissociation energy (ΔGdiss): 6 kcal/mol
Dissociation entropy (TΔSdiss): 5.49 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-135947

Macromolecules

Aequorin-2
Chains: A, B
Length: 191 amino acids
Theoretical weight: 21.66 KDa
Source organism: Aequorea victoria
Expression system: Escherichia coli
UniProt:
  • Canonical: P02592 (Residues: 9-196; Coverage: 96%)
Pfam:
InterPro:
CATH: EF-hand
SCOP: Calmodulin-like
Aequorin-2 in PDB entry 1uhk, assembly 1, front view.
Aequorin-2 in PDB entry 1uhk, assembly 1, side view.
Aequorin-2 in PDB entry 1uhk, assembly 1, top view.
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