Structure analysis

Crystal structure of human caspase-1 (Glu390->Ala) in complex with 3-[2-(2-benzyloxycarbonylamino-3-methyl-butyrylamino)-propionylamino]-4-oxo-pentanoic acid (z-VAD-FMK)

X-ray diffraction
2.1Å resolution
Source organism: Homo sapiens
Assembly composition:
hetero hexamer (preferred)
Entry contents: 3 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
Download    3D Visualisation
Multimeric state: hetero hexamer
Accessible surface area: 20473.92 Å2
Buried surface area: 18279.23 Å2
Dissociation area: 2,830.86 Å2
Dissociation energy (ΔGdiss): 25.99 kcal/mol
Dissociation entropy (TΔSdiss): 13.76 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-151499

Macromolecules

Chain: A
Length: 178 amino acids
Theoretical weight: 19.87 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P29466 (Residues: 120-297; Coverage: 44%)
Gene names: CASP1, IL1BC, IL1BCE
Pfam: Caspase domain
InterPro:
CATH: Rossmann fold

Search similar proteins

Chain: B
Length: 88 amino acids
Theoretical weight: 10.2 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P29466 (Residues: 317-404; Coverage: 22%)
Gene names: CASP1, IL1BC, IL1BCE
Pfam: Caspase domain
InterPro:
CATH: Caspase-like

Search similar proteins