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CRYSTAL STRUCTURE OF KAPPA-BUNGAROTOXIN AT 2.3-ANGSTROM RESOLUTION

X-ray diffraction
2.3Å resolution
PDB entry 1kba coloured by chain, front view.
PDB entry 1kba coloured by chain, side view.
PDB entry 1kba coloured by chain, top view.
Source organism: Bungarus multicinctus
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: Kappa-bungarotoxin
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Multimeric state: homo dimer
Accessible surface area: 7635.79 Ã…2
Buried surface area: 986.84 Ã…2
Dissociation area: 493.42 Ã…2
Dissociation energy (ΔGdiss): 0.15 kcal/mol
Dissociation entropy (TΔSdiss): 10.22 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-134306

Macromolecules

Kappa-bungarotoxin
Chains: A, B
Length: 66 amino acids
Theoretical weight: 7.28 KDa
Source organism: Bungarus multicinctus
Expression system: Not provided
UniProt:
  • Canonical: P01398 (Residues: 22-87; Coverage: 100%)
Pfam: Snake toxin cobra-type
InterPro:
CATH: CD59
SCOP: Snake venom toxins
Kappa-bungarotoxin in PDB entry 1kba, assembly 1, front view.
Kappa-bungarotoxin in PDB entry 1kba, assembly 1, side view.
Kappa-bungarotoxin in PDB entry 1kba, assembly 1, top view.
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