CATH Classification

Domain Context

CATH Clusters

Superfamily Cysteine proteinases
Functional Family Calpain-1 catalytic subunit

Enzyme Information

3.4.22.52
Calpain-1.
based on mapping to UniProt P97571
Broad endopeptidase specificity.
-!- Cytosolic in animal cells. -!- The active enzyme molecule is a heterodimer in which the large subunit contains the peptidase unit, and the small subunit is also a component of EC 3.4.22.53. -!- Belongs to peptidase family C2. -!- Formerly EC 3.4.22.17 and EC 3.4.24.5.

UniProtKB Entries (1)

P97571
CAN1_RAT
Rattus norvegicus
Calpain-1 catalytic subunit

PDB Structure

PDB 2R9C
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Cocrystal structures of primed side-extending alpha-ketoamide inhibitors reveal novel calpain-inhibitor aromatic interactions.
Qian, J., Cuerrier, D., Davies, P.L., Li, Z., Powers, J.C., Campbell, R.L.
J.Med.Chem.