6psn

Electron Microscopy
4.6Å resolution

Anthrax toxin protective antigen channels bound to lethal factor

Released:

Function and Biology Details

Reaction catalysed:
Preferred amino acids around the cleavage site can be denoted BBBBxHx-|-H, in which B denotes Arg or Lys, H denotes a hydrophobic amino acid, and x is any amino acid. The only known protein substrates are mitogen-activated protein (MAP) kinase kinases.
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
PDBe Complex ID:
PDB-CPX-146582 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Protective antigen PA-63 Chains: A, B, C, D, E, F, G
Molecule details ›
Chains: A, B, C, D, E, F, G
Length: 568 amino acids
Theoretical weight: 63.52 KDa
Source organism: Bacillus anthracis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P13423 (Residues: 197-764; Coverage: 77%)
Gene names: BXA0164, GBAA_pXO1_0164, pXO1-110, pag, pagA
Sequence domains:
Lethal factor Chain: L
Molecule details ›
Chain: L
Length: 809 amino acids
Theoretical weight: 93.9 KDa
Source organism: Bacillus anthracis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P15917 (Residues: 1-809; Coverage: 100%)
Gene names: BXA0172, GBAA_pXO1_0172, lef, pXO1-107
Sequence domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 4.6Å
Relevant EMDB volumes: EMD-20459
Expression system: Escherichia coli BL21(DE3)