X-ray diffraction
6Å resolution

Structure of bovine thrombin-activatable fibrinolysis inhibitor in complex with tick carboxypeptidase inhibitor


Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-173690 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Carboxypeptidase B2 Chains: A, C
Molecule details ›
Chains: A, C
Length: 401 amino acids
Theoretical weight: 46.53 KDa
Source organism: Bos taurus
  • Canonical: Q2KIG3 (Residues: 23-423; Coverage: 100%)
Gene name: CPB2
Sequence domains:
Carboxypeptidase inhibitor Chains: B, D
Molecule details ›
Chains: B, D
Length: 74 amino acids
Theoretical weight: 7.81 KDa
Source organism: Rhipicephalus bursa
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q5EPH2 (Residues: 23-96; Coverage: 99%)
Sequence domains: Carboxypeptidase inhibitor I68

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1
Spacegroup: P4132
Unit cell:
a: 279.1Å b: 279.1Å c: 279.1Å
α: 90° β: 90° γ: 90°
R R work R free
0.313 0.313 0.32
Expression system: Escherichia coli BL21(DE3)