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Crystal structure of irditoxin

X-ray diffraction
1.5Å resolution
PDB entry 2h7z coloured by chain, front view.
PDB entry 2h7z coloured by chain, side view.
PDB entry 2h7z coloured by chain, top view.
Source organism: Boiga irregularis
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Irditoxin subunit B and Irditoxin subunit A
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Multimeric state: hetero dimer
Accessible surface area: 9635.85 Ã…2
Buried surface area: 871.43 Ã…2
Dissociation area: 435.71 Ã…2
Dissociation energy (ΔGdiss): -0.9 kcal/mol
Dissociation entropy (TΔSdiss): 9.97 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-106509

Macromolecules

Irditoxin subunit A
Chain: A
Length: 75 amino acids
Theoretical weight: 8.41 KDa
Source organism: Boiga irregularis
UniProt:
  • Canonical: A0S864 (Residues: 35-109; Coverage: 83%)
Pfam: Snake toxin cobra-type
InterPro:
CATH: CD59
SCOP: Snake venom toxins
Irditoxin subunit A in PDB entry 2h7z, assembly 1, front view.
Irditoxin subunit A in PDB entry 2h7z, assembly 1, side view.
Irditoxin subunit A in PDB entry 2h7z, assembly 1, top view.
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Irditoxin subunit B
Chain: B
Length: 77 amino acids
Theoretical weight: 8.71 KDa
Source organism: Boiga irregularis
UniProt:
  • Canonical: A0S865 (Residues: 35-111; Coverage: 84%)
Pfam: Snake toxin cobra-type
InterPro:
CATH: CD59
SCOP: Snake venom toxins
Irditoxin subunit B in PDB entry 2h7z, assembly 1, front view.
Irditoxin subunit B in PDB entry 2h7z, assembly 1, side view.
Irditoxin subunit B in PDB entry 2h7z, assembly 1, top view.
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