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STRUCTURE OF THE CALCIUM-REGULATED PHOTOPROTEIN OBELIN DETERMINED BY SULFUR SAS

X-ray diffraction
1.73Å resolution
PDB entry 1el4 coloured by chain, front view.
PDB entry 1el4 coloured by chain, side view.
PDB entry 1el4 coloured by chain, top view.
Source organism: Obelia longissima
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Obelin
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Multimeric state: monomeric
Accessible surface area: 9830.1 Å2
Buried surface area: 1120.75 Å2
Dissociation area: 69.33 Å2
Dissociation energy (ΔGdiss): 10.74 kcal/mol
Dissociation entropy (TΔSdiss): -0.83 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-173278

Macromolecules

Obelin
Chain: A
Length: 195 amino acids
Theoretical weight: 22.25 KDa
Source organism: Obelia longissima
Expression system: Escherichia coli
UniProt:
  • Canonical: Q27709 (Residues: 1-195; Coverage: 100%)
Pfam:
InterPro:
CATH: EF-hand
SCOP: Calmodulin-like
Obelin in PDB entry 1el4, assembly 1, front view.
Obelin in PDB entry 1el4, assembly 1, side view.
Obelin in PDB entry 1el4, assembly 1, top view.
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