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The crystal structure of Bovine Trypsin complexed with a small inhibition peptide ORB2K

X-ray diffraction
1.7Å resolution
PDB entry 2o9q coloured by chain, front view.
PDB entry 2o9q coloured by chain, side view.
PDB entry 2o9q coloured by chain, top view.
Source organism: Bos taurus
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: Serine protease 1 and peptide
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Multimeric state: hetero dimer
Accessible surface area: 9426.78 Å2
Buried surface area: 2040.99 Å2
Dissociation area: 700.06 Å2
Dissociation energy (ΔGdiss): 4.59 kcal/mol
Dissociation entropy (TΔSdiss): 7.81 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-133351

Macromolecules

Serine protease 1
Chain: A
Length: 223 amino acids
Theoretical weight: 23.32 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00760 (Residues: 24-246; Coverage: 97%)
Gene names: PRSS1, TRP1, TRY1, TRYP1
Pfam: Trypsin
InterPro:
CATH: Trypsin-like serine proteases
SCOP: Eukaryotic proteases
Serine protease 1 in PDB entry 2o9q, assembly 1, front view.
Serine protease 1 in PDB entry 2o9q, assembly 1, side view.
Serine protease 1 in PDB entry 2o9q, assembly 1, top view.
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ORB2K
Chain: C
Length: 17 amino acids
Theoretical weight: 1.89 KDa
Source organism: Bos taurus
Expression system: Not provided
InterPro: Frog antimicrobial peptide, ranacyclin-type, Ranidae
ORB2K in PDB entry 2o9q, assembly 1, front view.
ORB2K in PDB entry 2o9q, assembly 1, side view.
ORB2K in PDB entry 2o9q, assembly 1, top view.
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