4zvs

X-ray diffraction
2.5Å resolution

Caspase-7 Variant 1 (V1) with reprogrammed substrate specificity due to Y230A/W232M/S234N substitutions, bound to DEVD inhibitor.

Released:

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

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-157249 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Caspase-7 subunit p20 Chains: A, C
Molecule details ›
Chains: A, C
Length: 198 amino acids
Theoretical weight: 22.19 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P55210 (Residues: 1-198; Coverage: 65%)
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: 113 amino acids
Theoretical weight: 13.1 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P55210 (Residues: 199-303; Coverage: 35%)
Gene names: CASP7, MCH3
Sequence domains: Caspase domain
Structure domains: Caspase-like
DEVD inhibitor Chains: E, F
Molecule details ›
Chains: E, F
Length: 5 amino acids
Theoretical weight: 488 Da
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X6A
Spacegroup: P3221
Unit cell:
a: 88.105Å b: 88.105Å c: 187.19Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.207 0.206 0.239
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided