peptidasen.
/ˈpɛptᵻdeɪz/, /ˈpɛptᵻdeɪs/, U.S. /ˈpɛptəˌdeɪz/, /ˈpɛptəˌdeɪs/ Biochemistry.
Any enzyme which hydrolyses peptide bonds; a peptide hydrolase, a protease. Now usually: spec. an enzyme which hydrolyses the terminal peptide bonds of peptide chains, liberating amino acids; an exopeptidase.
ΚΠ
1918 Jrnl. Infectious Dis. 22 148 Normal human serum contains peptidase and maintains a relatively uniform titer.
1923 Jrnl. Chem. Soc. 124 496 The proteases can be provisionally classified as follows. A. True proteases which break down protein to the peptide stage... B. Peptidases or ereptases which only split peptides or peptones.
1970 R. W. McGilvery Biochemistry xxvii. 658 Exopeptidases, sometimes simply called peptidases without a clarifying prefix,..attack terminal peptide bonds.
1990 EMBO Jrnl. 9 3877/1 It does not have a leader peptidase cleavage site that follows the established patterns of most transported proteins with signal sequences.
This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).
<
n.1918