Structure analysis

TERNARY COMPLEX OF PROCARBOXYPEPTIDASE A, PROPROTEINASE E, AND CHYMOTRYPSINOGEN C

X-ray diffraction
2.35Å resolution
Source organism: Bos taurus
Assembly composition:
hetero tetramer (preferred)
Entry contents: 4 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero tetramer

Binding statistics and energies are not available for this assembly

Macromolecules

Chain: A
Length: 94 amino acids
Theoretical weight: 10.8 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00730 (Residues: 17-110; Coverage: 23%)
Gene names: CPA, CPA1
Pfam: Carboxypeptidase activation peptide
InterPro:
CATH: Metallocarboxypeptidase-like
SCOP: Pancreatic carboxypeptidase, activation domain

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Chain: B
Length: 309 amino acids
Theoretical weight: 34.79 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P00730 (Residues: 111-419; Coverage: 77%)
Gene names: CPA, CPA1
Pfam: Zinc carboxypeptidase
InterPro:
CATH: Zn peptidases
SCOP: Pancreatic carboxypeptidases

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Chain: C
Length: 253 amino acids
Theoretical weight: 27.34 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P05805 (Residues: 1-253; Coverage: 100%)
Pfam: Trypsin
InterPro:
CATH: Trypsin-like serine proteases
SCOP: Eukaryotic proteases

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Chain: D
Length: 251 amino acids
Theoretical weight: 27.39 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: Q7M3E1 (Residues: 17-268; Coverage: 100%)
Gene name: CTRC
Pfam: Trypsin
InterPro:
CATH: Trypsin-like serine proteases
SCOP: Eukaryotic proteases

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