Meaning & use
proteolytic
Last updated
Meaning
adjectivenot comparabletechnical
Relating to the breaking down of proteins into smaller peptides or amino acids.
Grammar: Used before a noun, especially 'enzyme' or 'activity'; it has no comparative form.
Patterns
- proteolytic enzyme
- proteolytic activity
- proteolytic cleavage
Pepsin is a proteolytic enzyme that works in the stomach.
The researchers measured proteolytic activity in the blood samples.
Proteolytic cleavage turns the inactive protein into its active form.
Common combinations
- proteolytic enzyme
- Trypsin is a proteolytic enzyme used in the lab to detach cells.
- proteolytic activity
- Heat destroys most of the proteolytic activity in the extract.
- proteolytic cleavage
- Proteolytic cleavage releases the hormone from its precursor.
- proteolytic degradation
- The drug is protected from proteolytic degradation in the gut.
Synonyms and how they differ
- peptidase
- This is a noun for an enzyme that cuts proteins, not an adjective; use it when you name the enzyme itself.
- proteinase
- Another noun for a protein-splitting enzyme; 'proteolytic' describes the enzyme's action, not the enzyme.
Word family
- proteolysis noun
- The process of breaking down proteins.
- protease noun
- An enzyme that carries out proteolysis.
Commonly confused: proteolytic or protean?
proteolytic vs protean
'Protean' means easily changing shape or form, while 'proteolytic' is strictly about breaking down proteins.
Practice
Which sentence uses 'proteolytic' correctly?
Choose one answer.
'Proteolytic' describes something that breaks down proteins, so it fits with 'enzyme' and 'protein'. The other options use it as a taste, a feeling, or a quality of a book, which are not related to protein breakdown.
Make it your own
Write a sentence using “proteolytic”, then check it and compare it with the examples above.