Structure analysis

CI2 MUTANT WITH TETRAGLUTAMINE (MGQQQQGM) REPLACING MET59

X-ray diffraction
1.8Å resolution
Source organism: Hordeum vulgare
Assemblies composition:
hetero tetramer (preferred)
hetero dodecamer
hetero 24-mer
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero tetramer
Accessible surface area: 6924.43 Å2
Buried surface area: 5261.4 Å2
Dissociation area: 633.56 Å2
Dissociation energy (ΔGdiss): 6.92 kcal/mol
Dissociation entropy (TΔSdiss): 9.5 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-133917
Assembly 2
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Multimeric state: hetero dodecamer
Accessible surface area: 17262.27 Å2
Buried surface area: 19288.0 Å2
Dissociation area: 3,795.02 Å2
Dissociation energy (ΔGdiss): 45.59 kcal/mol
Dissociation entropy (TΔSdiss): 52.61 kcal/mol
Symmetry number: 6
PDBe Complex ID: PDB-CPX-133919
Assembly 3
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Multimeric state: hetero 24-mer
Accessible surface area: 33091.18 Å2
Buried surface area: 40009.37 Å2
Dissociation area: 716.68 Å2
Dissociation energy (ΔGdiss): -19.66 kcal/mol
Dissociation entropy (TΔSdiss): 13.41 kcal/mol
Symmetry number: 12
PDBe Complex ID: PDB-CPX-133916

Macromolecules

Chain: A
Length: 47 amino acids
Theoretical weight: 5.21 KDa
Source organism: Hordeum vulgare
Expression system: Escherichia coli
UniProt:
  • Canonical: P01053 (Residues: 21-60; Coverage: 48%)
Pfam: Potato inhibitor I family
InterPro:
SCOP: CI-2 family of serine protease inhibitors

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Chain: B
Length: 24 amino acids
Theoretical weight: 2.88 KDa
Source organism: Hordeum vulgare
Expression system: Escherichia coli
UniProt:
  • Canonical: P01053 (Residues: 61-84; Coverage: 29%)
Pfam: Potato inhibitor I family
InterPro:
SCOP: CI-2 family of serine protease inhibitors

Search similar proteins