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proteinase

American

[proh-tee-neys, -neyz, -tee-i-] / ˈproʊ tiˌneɪs, -ˌneɪz, -ti ɪ- /

noun

Biochemistry.

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

proteinase British

/ ˈprəʊtɪˌneɪs, -ˌneɪz /

noun

another name for endopeptidase

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

proteinase Scientific

/ prōt′n-ās′ /

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

Etymology

Origin of proteinase

First recorded in 1925–30; protein + -ase

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Those who inherit the disorder have low levels of the protein alpha-1 antitrypsin, also called alpha-1 proteinase inhibitor, which protects the tissue of the lungs from destruction by the body's own white blood cells.

From Reuters • Jul. 6, 2010

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023