Any feedback?
Please rate this page
(ecexplorer.php)
(0/150)

BRENDA support

EC Explorer

EC 3.4.21.118 Details
EC number
3.4.21.118
Accepted name
kallikrein 8
Reaction
Cleavage of amide substrates following the basic amino acids Arg or Lys at the P1 position, with a preference for Arg over Lys
Other name(s)
KLK8, PRSS19, human kallikrein 8, hK8, mK8, ovasin, tumor-associated differentially expressed gene 14, TADG-14, NP, neuropsin
CAS registry number
171715-15-4
Comment
The enzyme is activated by removal of an N-terminal prepropeptide [2,4]. The highest amidolytic activity is observed using Boc-Val-Pro-Arg┼7-amido-4-methylcoumarin, which is a substrate of α-thrombin [2,4]. Substrates lacking basic amino acids in the P1 position are not cleaved [4]. The enzyme degrades casein, fibronectin, gelatin, collagen type IV, fibrinogen, and high-molecular-mass kininogen [3] and is associated with diseases such as ovarian cancer and Alzheimer’s disease [4]. Belongs in peptidase family S1A.
History
created 2006
EC Tree
1.1.1.68 created 1965, deleted 1978 [transferred to EC 1.1.99.15, deleted 1980]
1.1.1.70 created 1965, deleted 1978
1.1.1.74 created 1972, deleted 1976
1.1.1.89 created 1972, deleted 1976
1.1.1.109 created 1972, deleted 1976
1.1.1.139 created 1972, deleted 1978
1.1.1.155 created 1976, deleted 2004
1.1.1.171 created 1978, deleted 1984
1.1.1.180 created 1983, deleted 1984
1.1.1.182 created 1983, deleted 1990
1.1.1.204 created 1972 as EC 1.2.1.37, transferred 1984 to EC 1.1.1.204, modified 1989, deleted 2004
1.1.1.242 created 1992, deleted 2001
1.1.1.249 provisional version created 1999, deleted 1999 (reinstated 2001 as EC 2.5.1.46)
1.1.1.253 created 1999, deleted 2003