Structure analysis

Structure of human insulin

X-ray diffraction
1.6Å resolution
Source organism: Homo sapiens
Assemblies composition:
hetero dimer (preferred)
hetero dodecamer
hetero hexamer
hetero tetramer
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero dimer
Accessible surface area: 3490.32 Å2
Buried surface area: 1996.13 Å2
Dissociation area: 902.01 Å2
Dissociation energy (ΔGdiss): 12.7 kcal/mol
Dissociation entropy (TΔSdiss): 8.17 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-134182
Complex Portal ID: CPX-943
Assembly 2
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Multimeric state: hetero dimer
Accessible surface area: 3639.83 Å2
Buried surface area: 1875.14 Å2
Dissociation area: 839.67 Å2
Dissociation energy (ΔGdiss): 10.07 kcal/mol
Dissociation entropy (TΔSdiss): 8.16 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-134182
Complex Portal ID: CPX-943
Assembly 3
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Multimeric state: hetero dodecamer
Accessible surface area: 11916.32 Å2
Buried surface area: 20187.81 Å2
Dissociation area: 195.77 Å2
Dissociation energy (ΔGdiss): 53.95 kcal/mol
Dissociation entropy (TΔSdiss): 2.22 kcal/mol
Symmetry number: 6
PDBe Complex ID: PDB-CPX-134235
Assembly 4
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Multimeric state: hetero dodecamer
Accessible surface area: 18383.31 Å2
Buried surface area: 13720.83 Å2
Dissociation area: 1,220.72 Å2
Dissociation energy (ΔGdiss): 2.67 kcal/mol
Dissociation entropy (TΔSdiss): 11.92 kcal/mol
Symmetry number: 6
PDBe Complex ID: PDB-CPX-134235
Assembly 5
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Multimeric state: hetero hexamer
Accessible surface area: 10171.47 Å2
Buried surface area: 5836.13 Å2
Dissociation area: 192.32 Å2
Dissociation energy (ΔGdiss): 7.59 kcal/mol
Dissociation entropy (TΔSdiss): 20.19 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-134224
Assembly 6
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Multimeric state: hetero hexamer
Accessible surface area: 10640.37 Å2
Buried surface area: 5456.17 Å2
Dissociation area: 193.21 Å2
Dissociation energy (ΔGdiss): 7.89 kcal/mol
Dissociation entropy (TΔSdiss): 20.21 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-134224
Assembly 7
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Multimeric state: hetero tetramer
Accessible surface area: 5487.72 Å2
Buried surface area: 5512.63 Å2
Dissociation area: 877.94 Å2
Dissociation energy (ΔGdiss): 5.56 kcal/mol
Dissociation entropy (TΔSdiss): 9.65 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-134210
Assembly 8
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Multimeric state: hetero tetramer
Accessible surface area: 5790.67 Å2
Buried surface area: 5210.76 Å2
Dissociation area: 673.16 Å2
Dissociation energy (ΔGdiss): 2.28 kcal/mol
Dissociation entropy (TΔSdiss): 9.6 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-134210

Macromolecules

Chains: A, C
Length: 21 amino acids
Theoretical weight: 2.38 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01308 (Residues: 90-110; Coverage: 24%)
Gene name: INS
InterPro:

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Chains: B, D
Length: 29 amino acids
Theoretical weight: 3.33 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01308 (Residues: 25-53; Coverage: 34%)
Gene name: INS
Pfam: Insulin/IGF/Relaxin family
InterPro:

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