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 (prōt′n-ās′, -āz′, prō′tē-nās′, -nāz′)
An endopeptidase, such as pepsin, trypsin, or papain.


(ˈprəʊtɪˌneɪs; -ˌneɪz)
(Biochemistry) another name for endopeptidase


(ˈproʊ tiˌneɪs, -ˌneɪz, -ti ɪ-)

any of a group of enzymes that are capable of hydrolyzing proteins.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.proteinase - any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis
caspase - any of a group of proteases that mediate apoptosis
enzyme - any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
angiotensin converting enzyme, angiotensin-converting enzyme, ACE - proteolytic enzyme that converts angiotensin I into angiotensin II
plasminogen activator, urokinase - protease produced in the kidney that converts plasminogen to plasmin and so initiates fibrinolysis
renin - a proteolytic enzyme secreted by the kidneys; catalyzes the formation of angiotensin and thus affects blood pressure