peptidase
Học thuậtThân thiện
Definition
Noun: An enzyme that catalyzes the hydrolysis (splitting) of proteins into smaller peptide fragments and amino acids. This process is called proteolysis.
Usage
Peptidase is a scientific term used primarily in biochemistry, biology, and medicine. It refers to a specific class of digestive or regulatory enzymes. - General Use: To name the enzyme itself. - Scientific Context: Used when discussing protein digestion, metabolism, or cellular processes.
Examples
- Noun:
- The enzyme trypsin is a key peptidase in the human digestive system.
- Researchers are studying the function of a specific peptidase in cell signaling.
- A deficiency in certain peptidases can lead to metabolic disorders.
Advanced Usage
- "Peptidase activity": Refers to the functional capability of a peptidase to break down proteins.
- The experiment measured the peptidase activity in the sample.
- "Peptidase inhibitor": A substance that blocks the action of a peptidase enzyme.
- This drug acts as a peptidase inhibitor to treat the condition.
Variants and Related Words
- Protease (noun): A broader term often used synonymously with peptidase, referring to any enzyme that performs proteolysis.
- Peptide (noun): The short chains of amino acids that are the products of peptidase action.
- Proteolysis (noun): The process of breaking down proteins into peptides and amino acids, catalyzed by peptidases.
Synonyms
- Protease
- Proteinase
- Proteolytic enzyme
Related Phrases / Compound Terms
- Serine peptidase: A class of peptidases with a serine residue in their active site.
- Aspartic peptidase: A class of peptidases that use aspartic acid residues for catalysis.
- Peptidase complex: A group of peptidases working together.
Noun
- any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis