PDBe 4jj7

X-ray diffraction
1.18Å resolution

Caspase-3 specific unnatural amino acid-based peptides

Released:

Function and Biology Details

Reaction catalysed:
Strict requirement for Asp at position P1 and has a preferred cleavage sequence of (Leu/Asp/Val)-Glu-Thr-Asp-|-(Gly/Ser/Ala)
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Caspase-8 subunit p18 Chain: A
Molecule details ›
Chain: A
Length: 275 amino acids
Theoretical weight: 31.45 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q14790 (Residues: 217-479; Coverage: 55%)
Gene names: CASP8, MCH5
Sequence domains: Caspase domain
Structure domains: Rossmann fold
Caspase inhibitor Chain: B
Molecule details ›
Chain: B
Length: 6 amino acids
Theoretical weight: 823 Da
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

1 bound ligand:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P3121
Unit cell:
a: 62.844Å b: 62.844Å c: 129.352Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.136 0.135 0.157
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided