PDBe 3h8c

X-ray diffraction
2.5Å resolution

A combined crystallographic and molecular dynamics study of cathepsin-L retro-binding inhibitors (compound 14)

Released:

Function and Biology Details

Reaction catalysed:
Specificity close to that of papain. As compared to cathepsin B, cathepsin L exhibits higher activity toward protein substrates, but has little activity on Z-Arg-Arg-NHMec, and no peptidyl-dipeptidase activity. 
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cathepsin L1 heavy chain Chains: A, B
Molecule details ›
Chains: A, B
Length: 220 amino acids
Theoretical weight: 24.22 KDa
Source organism: Homo sapiens
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P07711 (Residues: 114-333; Coverage: 70%)
Gene names: CTSL, CTSL1
Sequence domains: Papain family cysteine protease
Structure domains: Cysteine proteinases

Ligands and Environments

1 bound ligand:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH3R
Spacegroup: P212121
Unit cell:
a: 57.922Å b: 59.011Å c: 132.616Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.237 0.237 0.292
Expression system: Saccharomyces cerevisiae