CATH Classification

Domain Context

CATH Clusters

Superfamily Trypsin-like serine proteases
Functional Family Kallikrein 8 (Neuropsin/ovasin)

Enzyme Information

3.4.21.118
Kallikrein 8.
based on mapping to UniProt O60259
Cleavage of amide substrates following the basic amino acids Arg or Lys at the P1 position, with a preference for Arg over Lys.
-!- Activated by removal of an N-terminal prepropeptide. -!- The highest amidolytic activity is observed using Boc-Val-Pro- Arg-|-7-amido-4-methylcoumarin, which is a substrate of alpha- thrombin. -!- Substrates lacking basic amino acids in the P1 position are not cleaved. -!- Degrades casein, fibronectin, gelatin, collagen type IV, fibrinogen, and high-molecular-mass kininogen and is associated with diseases such as ovarian cancer and Alzheimer's disease. -!- Belongs to peptidase family S1A.

UniProtKB Entries (1)

O60259
KLK8_HUMAN
Homo sapiens
Kallikrein-8

PDB Structure

PDB 5MS4
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Structural determinants of specificity and regulation of activity in the allosteric loop network of human KLK8/neuropsin.
Debela, M., Magdolen, V., Skala, W., Elsasser, B., Schneider, E.L., Craik, C.S., Biniossek, M.L., Schilling, O., Bode, W., Brandstetter, H., Goettig, P.
Sci Rep