proteinase

[ proh-tee-neys, -neyz, -tee-i- ]

noun

, Biochemistry.

1. any of a group of enzymes that are capable of hydrolyzing proteins.

proteinase

/ ˈprəʊtɪˌneɪs; -ˌneɪz /

noun

1. another name for endopeptidase

proteinase

/ prōt′n-ās′ /

1. A protease that begins the hydrolytic breakdown of proteins, usually by splitting them into polypeptide chains.

Word History and Origins

Origin of proteinase¹

First recorded in 1925–30; protein + -ase

Example Sentences

Instead of needing this whole extraction with special equipment, if we simply treat the saliva with an enzyme called proteinase K and heat it, we can successfully break open the virus.

From Scientific American

Enriched chromatin was then subjected to crosslink reversal and proteinase K digestion at 65 °C, phenol–chloroform extraction and ethanol precipitation.

From Nature

Here, we demonstrate that TLR4 is activated by airway proteinase activity to initiate both allergic airway disease and antifungal immunity.

From Science Magazine

These outcomes were induced by proteinase cleavage of the clotting protein fibrinogen, yielding fibrinogen cleavage products that acted as TLR4 ligands on airway epithelial cells and macrophages.

From Science Magazine