proteinase

pro·tein·ase  (prtn-s, -z, prt-ns, -nz)

n.

An endopeptidase, such as pepsin, trypsin, or papain.

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proteinase  (prtn-s)

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

Thesaurus

Noun

1.

proteinase - any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis peptidase, protease, proteolytic enzyme 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