4bsq

X-ray diffraction
1.96Å resolution

Function and Biology Details

Reaction catalysed:
Similar to cathepsin L, but with much less activity on Z-Phe-Arg-|-NHMec, and more activity on the Z-Val-Val-Arg-|- compound.
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-130700 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cathepsin S Chain: A
Molecule details ›
Chain: A
Length: 225 amino acids
Theoretical weight: 24.66 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: O70370 (Residues: 116-340; Coverage: 70%)
Gene names: Cats, Ctss
Sequence domains: Papain family cysteine protease
Structure domains: Cysteine proteinases

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: C2
Unit cell:
a: 74.34Å b: 66.79Å c: 53.73Å
α: 90° β: 113.1° γ: 90°
R-values:
R R work R free
0.176 0.174 0.212
Expression system: Escherichia coli