7v1n

Electron Microscopy
3.2Å resolution

Structure of the Clade 2 C. difficile TcdB in complex with its receptor TFPI

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-145413 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Toxin B Chain: A
Molecule details ›
Chain: A
Length: 2375 amino acids
Theoretical weight: 270.45 KDa
Source organism: Clostridioides difficile
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9EXR0 (Residues: 1-2367; Coverage: 100%)
Gene names: tcdB, toxB
Sequence domains:
Tissue factor pathway inhibitor Chain: K
Molecule details ›
Chain: K
Length: 251 amino acids
Theoretical weight: 28.68 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: P10646 (Residues: 1-209; Coverage: 66%)
Gene names: LACI, TFPI, TFPI1
Sequence domains: Kunitz/Bovine pancreatic trypsin inhibitor domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.2Å
Relevant EMDB volumes: EMD-31628
Expression systems:
  • Escherichia coli
  • Homo sapiens