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单词 polypeptidase
释义

polypeptidasen.

Brit. /ˌpɒlɪˈpɛptᵻdeɪz/, U.S. /ˌpɑliˈpɛptəˌdeɪz/, /ˌpɑliˈpɛptəˌdeɪs/
Origin: Formed within English, by derivation. Etymons: polypeptide n., -ase suffix.
Etymology: < polypeptide n. + -ase suffix. Compare earlier peptidase n.
Biochemistry.
An enzyme which hydrolyses polypeptides.
ΚΠ
1922 Chem. Abstr. 16 3491 (heading) Influence of materials obtained from yeast cells and organs on the rate of hydrolysis of substrates by polypeptidases, carbohydratases and esterases.
1961 A. S. MacNalty Brit. Med. Dict. 513/1 Erepsin, a mixture of enzymes, chiefly polypeptidases, present in the intestinal mucosa and capable of converting polypeptides into amino acids.
1991 Jrnl. Commerce (Nexis) 6 Sept. 4 b The venom..is secreted from the poison gland of the Pallas pit viper and consists of protein, polypeptidase and various enzymes.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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