Proprotein

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Proprotein

Proprotein (pronunciation: proh-proh-teen) is a precursor to a protein, which means it is an inactive protein that can be turned into an active one through a process called proteolysis.

Etymology

The term "proprotein" is derived from the prefix "pro-", which means "before" in Latin, and "protein", a complex molecule that is essential for all forms of life. Thus, "proprotein" can be understood as "before protein", referring to its role as a precursor to an active protein.

Related Terms

  • Proteolysis: The breakdown of proteins into smaller polypeptides or amino acids.
  • Protease: An enzyme that performs proteolysis.
  • Zymogen: Another term for an inactive precursor of an enzyme, similar to a proprotein.
  • Enzyme: A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.
  • Amino Acid: Organic compounds that combine to form proteins.

See Also

  • Prohormone: A precursor of a hormone, usually having minimal hormonal effect by itself.
  • Protein Biosynthesis: The process by which biological cells generate new proteins.

External links

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