› 3edr

X-ray diffraction
2.45Å resolution

The crystal structure of caspase-7 in complex with Acetyl-LDESD-CHO

Released:
DOI: 10.2210/pdb3edr/pdb
PDB entry 3edr coloured by chain, front view.
PDB entry 3edr coloured by chain, side view.
PDB entry 3edr coloured by chain, top view.
Source organisms:
Primary publication:
Structural basis for executioner caspase recognition of P5 position in substrates.
Fu G, Chumanevich AA, Agniswamy J, Fang B, Harrison RW, Weber IT
Apoptosis 13 1291-302 (2008)
PMID: 18780184

Function and Biology Details

Reaction catalysed: 
Strict requirement for an Asp residue at position P1 and has a preferred cleavage sequence of Asp-Glu-Val-Asp-|-
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-153127 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Caspase-7 subunit p20 Chains: A, C
Molecule details ›
Chains: A, C
Length: 173 amino acids
Theoretical weight: 19.56 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P55210 (Residues: 24-196; Coverage: 57%)
Gene names: CASP7, MCH3
Sequence domains: Caspase domain
Structure domains: Rossmann fold
Caspase-7 subunit p11 Chains: B, D
Molecule details ›
Chains: B, D
Length: 97 amino acids
Theoretical weight: 11.35 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P55210 (Residues: 207-303; Coverage: 32%)
Gene names: CASP7, MCH3
Sequence domains: Caspase domain
Structure domains: Caspase-like
IML2-like protein YKR018C Chains: E, F
Molecule details ›
Chains: E, F
Length: 6 amino acids
Theoretical weight: 590 Da
Source organism: Saccharomyces cerevisiae S288C
Expression system: Not provided
UniProt:
  • Canonical: P36114 (Residues: 54-57; Coverage: 1%)
Gene name: YKR018C

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P3221
Unit cell:
a: 88.637Å b: 88.637Å c: 187.708Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.232 0.201 0.248
Expression systems:
  • Escherichia coli
  • Not provided

Quick links

Citations

2 review citations

Caspase substrates and cellular remodeling.
Crawford et al. (2011)
1 more

1 mention without citation

Structural basis for executioner caspase recognition of P5 position in substrates.
Fu et al. (2008)