these results suggested that 1 ) bk was an activator for bana-degrading enzymes which were thought as processing proteinases of me-like peptides in adrenal medulla of the rat , and 2 ) there may be , at least , two kinds of bana-degrading enzymes activated by bk , one might be a serine proteinase with optimal ph at 6 , and the others might be cysteine proteinases with optimal ph at both 6 and 8 .
C0030940
proteinases
C2717970
cysteine proteinases