Definition, Meaning & Synonyms

propeptide

Noun
/ˈprōˌpepˌtīd/
Definition
A propeptide is a precursor segment of a peptide that is initially synthesized as part of a larger protein before it becomes a functional peptide or protein.
Examples
  • The propeptide must be removed for the enzyme to become active.
  • Researchers study propeptides to understand protein maturation processes.
  • Deficiencies in propeptide processing can lead to various diseases.
Meaning
Propeptides serve as a molecular marker that indicates a protein is in the process of being formed. They usually undergo enzymatic cleavage to become active peptides.
Synonyms
  • Precursor peptide
  • Incomplete peptide
  • Proprotein segment