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STRUCTURE OF A SARCOPLASMIC CALCIUM-BINDING PROTEIN FROM AMPHIOXUS REFINED AT 2.4 ANGSTROMS RESOLUTION

X-ray diffraction
2.4Å resolution
PDB entry 2sas coloured by chain, front view.
PDB entry 2sas coloured by chain, side view.
PDB entry 2sas coloured by chain, top view.
Source organism: Branchiostoma lanceolatum
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 proteins II, V, VI, and VII
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Multimeric state: homo dimer
Accessible surface area: 17518.56 Å2
Buried surface area: 1886.51 Å2
Dissociation area: 685.27 Å2
Dissociation energy (ΔGdiss): -9.28 kcal/mol
Dissociation entropy (TΔSdiss): 12.45 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-137914

Macromolecules

Sarcoplasmic calcium-binding proteins II, V, VI, and VII
Chain: A
Length: 185 amino acids
Theoretical weight: 21.31 KDa
Source organism: Branchiostoma lanceolatum
Expression system: Not provided
UniProt:
  • Canonical: P04570 (Residues: 1-185; Coverage: 100%)
InterPro:
CATH: EF-hand
SCOP: Calmodulin-like
Sarcoplasmic calcium-binding proteins II, V, VI, and VII in PDB entry 2sas, assembly 1, front view.
Sarcoplasmic calcium-binding proteins II, V, VI, and VII in PDB entry 2sas, assembly 1, side view.
Sarcoplasmic calcium-binding proteins II, V, VI, and VII in PDB entry 2sas, assembly 1, top view.
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