Definition of protease
: any of numerous enzymes that hydrolyze proteins and are classified according to the most prominent functional group (such as serine or cysteine) at the active site —called also proteinase
Recent Examples of protease from the Web
As late as 1994, after more than a decade of organization and activism and research, the activists had split between centrists and radicals, and the new class of drugs, protease inhibitors, were failing in early clinical trials.
HIV protease inhibitors, for example – for which there's sufficient knowledge to guide chemists' discovery efforts.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'protease'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of protease
International Scientific Vocabulary
First Known Use: 1903See Words from the same year
Learn More about protease
Britannica.com: Encyclopedia article about protease
Seen and Heard
What made you want to look up protease? Please tell us where you read or heard it (including the quote, if possible).