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

1. any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis