8ahv

X-ray diffraction
1.7Å resolution

Crystal structure of human cathepsin L in complex with calpain inhibitor XII

Released:
Model geometry
Fit model/data

Function and Biology Details

Reaction catalysed:
Similar 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)
Assembly name:
PDBe Complex ID:
PDB-CPX-139718 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cathepsin L Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 220 amino acids
Theoretical weight: 24.16 KDa
Source organism: Homo sapiens
Expression system: Komagataella phaffii GS115
UniProt:
  • Canonical: P07711 (Residues: 114-333; Coverage: 70%)
Gene names: CTSL, CTSL1
Sequence domains: Papain family cysteine protease

Ligands and Environments

No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: PETRA III, DESY BEAMLINE P11
Spacegroup: P1
Unit cell:
a: 57.06Å b: 62.64Å c: 67.34Å
α: 105.416° β: 93.706° γ: 115.362°
R-values:
R R work R free
0.169 0.168 0.207
Expression system: Komagataella phaffii GS115