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CRYSTAL STRUCTURE OF ACTIVATED PORCINE PANCREATIC CARBOXYPEPTIDASE B (3-Guanidino-phenyl)-{hydroxy-[(R)-2-methyl-1-(3-phenyl-propionylamino)-propyl]-phosphinoyloxy}-acetic acid COMPLEX

X-ray diffraction
1.64Å resolution
PDB entry 2pj3 coloured by chain, front view.
PDB entry 2pj3 coloured by chain, side view.
PDB entry 2pj3 coloured by chain, top view.
Source organism: Sus scrofa
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Carboxypeptidase B
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Multimeric state: monomeric
Accessible surface area: 11457.0 Å2
Buried surface area: 1042.71 Å2
Dissociation area: 485.06 Å2
Dissociation energy (ΔGdiss): 15.65 kcal/mol
Dissociation entropy (TΔSdiss): 5.35 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-140836
Assembly 2
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Assembly Name: Carboxypeptidase B
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Multimeric state: monomeric
Accessible surface area: 11574.81 Å2
Buried surface area: 1049.27 Å2
Dissociation area: 488.46 Å2
Dissociation energy (ΔGdiss): 15.36 kcal/mol
Dissociation entropy (TΔSdiss): 5.34 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-140836
Assembly 3
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Assembly Name: Carboxypeptidase B
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Multimeric state: monomeric
Accessible surface area: 11865.33 Å2
Buried surface area: 1049.75 Å2
Dissociation area: 488.94 Å2
Dissociation energy (ΔGdiss): 15.72 kcal/mol
Dissociation entropy (TΔSdiss): 5.35 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-140836

Macromolecules

Carboxypeptidase B
Chains: A, B, C
Length: 306 amino acids
Theoretical weight: 34.74 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: P09955 (Residues: 111-416; Coverage: 76%)
Gene names: CPB, CPB1
Pfam: Zinc carboxypeptidase
InterPro:
CATH: Zn peptidases
SCOP: Pancreatic carboxypeptidases
Carboxypeptidase B in PDB entry 2pj3, assembly 1, front view.
Carboxypeptidase B in PDB entry 2pj3, assembly 1, side view.
Carboxypeptidase B in PDB entry 2pj3, assembly 1, top view.
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