Proprotein
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
- Medical encyclopedia article on Proprotein
- Wikipedia's article - Proprotein
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