CATH Classification

Domain Context

CATH Clusters

Superfamily Cysteine proteinases
Functional Family Calpain-3

Enzyme Information

3.4.22.54
Calpain-3.
based on mapping to UniProt P20807
Broad endopeptidase activity.
-!- Activated by autoproteolytic cleavage of insertion sequence 1 (IS1), which allows substrates and inhibitors gain access to the active site. -!- Substrates include the protein itself and connectin/titin. -!- Belongs to peptidase family C2.

UniProtKB Entries (1)

P20807
CAN3_HUMAN
Homo sapiens
Calpain-3

PDB Structure

PDB 6BJD
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Structures of human calpain-3 protease core with and without bound inhibitor reveal mechanisms of calpain activation.
Ye, Q., Campbell, R.L., Davies, P.L.
J. Biol. Chem.