- any of a group of enzymes that catalyze the hydrolytic degradation of proteins or polypeptides to smaller amino acid polymers.
Origin of protease
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for protease
For HIV, though, real therapy began only 18 years ago with the introduction of a class of drugs, the protease inhibitors.Let’s Not Rush to Call the HIV Baby Findings a ‘Cure’
March 5, 2013
The best-known example of this type of enzymes is the protease of yeast; but similar ones may be found in germinating seeds.The Chemistry of Plant Life
Roscoe Wilfred Thatcher
- any enzyme involved in proteolysis
C20: from protein + -ase
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
Word Origin and History for protease
Online Etymology Dictionary, © 2010 Douglas Harper
- Any of various enzymes, including the proteinases and peptidases, that catalyze the hydrolytic breakdown of proteins.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Any of various enzymes that bring about the breakdown of proteins into peptides or amino acids by hydrolysis. Pepsin is an example of a protease.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.