Structure analysis

Human mesotrypsin complexed with amyloid precursor protein inhibitor(APPI)

X-ray diffraction
2.48Å resolution
Source organism: Homo sapiens
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1
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Multimeric state: hetero dimer
Accessible surface area: 12069.13 Å2
Buried surface area: 2681.57 Å2
Dissociation area: 661.88 Å2
Dissociation energy (ΔGdiss): 4.85 kcal/mol
Dissociation entropy (TΔSdiss): 10.3 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-138360
Assembly 2
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Multimeric state: hetero dimer
Accessible surface area: 12046.4 Å2
Buried surface area: 2269.04 Å2
Dissociation area: 658.61 Å2
Dissociation energy (ΔGdiss): 2.29 kcal/mol
Dissociation entropy (TΔSdiss): 10.28 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-138360
Assembly 3
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Multimeric state: hetero dimer
Accessible surface area: 12105.21 Å2
Buried surface area: 1766.75 Å2
Dissociation area: 609.75 Å2
Dissociation energy (ΔGdiss): 2.8 kcal/mol
Dissociation entropy (TΔSdiss): 10.27 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-138360
Assembly 4 (preferred)
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Multimeric state: hetero dimer
Accessible surface area: 11911.53 Å2
Buried surface area: 1507.88 Å2
Dissociation area: 613.12 Å2
Dissociation energy (ΔGdiss): 2.32 kcal/mol
Dissociation entropy (TΔSdiss): 10.26 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-138360

Macromolecules

Chains: A, B, C, D
Length: 224 amino acids
Theoretical weight: 24.26 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P35030 (Residues: 81-304; Coverage: 74%)
Gene names: PRSS3, PRSS4, TRY3, TRY4
Pfam: Trypsin
InterPro:
CATH: Trypsin-like serine proteases

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Chains: E, F, G, H
Length: 52 amino acids
Theoretical weight: 5.82 KDa
Source organism: Homo sapiens
Expression system: Komagataella pastoris
UniProt:
  • Canonical: P05067 (Residues: 290-341; Coverage: 7%)
Gene names: A4, AD1, APP
Pfam: Kunitz/Bovine pancreatic trypsin inhibitor domain
InterPro:
CATH: Pancreatic trypsin inhibitor Kunitz domain

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