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STRUCTURE OF A SARCOPLASMIC CALCIUM-BINDING PROTEIN FROM NEREIS DIVERSICOLOR REFINED AT 2.0 ANGSTROMS RESOLUTION

X-ray diffraction
2Å resolution
PDB entry 2scp coloured by chain, front view.
PDB entry 2scp coloured by chain, side view.
PDB entry 2scp coloured by chain, top view.
Source organism: Hediste diversicolor
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Sarcoplasmic calcium-binding protein
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Multimeric state: homo dimer
Accessible surface area: 13972.86 Å2
Buried surface area: 2747.28 Å2
Dissociation area: 1,115.08 Å2
Dissociation energy (ΔGdiss): -1.62 kcal/mol
Dissociation entropy (TΔSdiss): 12.36 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-137916

Macromolecules

Sarcoplasmic calcium-binding protein
Chains: A, B
Length: 174 amino acids
Theoretical weight: 19.5 KDa
Source organism: Hediste diversicolor
Expression system: Not provided
UniProt:
  • Canonical: P04571 (Residues: 1-174; Coverage: 100%)
Pfam: EF hand
InterPro:
CATH: EF-hand
SCOP: Calmodulin-like
Sarcoplasmic calcium-binding protein in PDB entry 2scp, assembly 1, front view.
Sarcoplasmic calcium-binding protein in PDB entry 2scp, assembly 1, side view.
Sarcoplasmic calcium-binding protein in PDB entry 2scp, assembly 1, top view.
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