Biologically Active Substance
cyclin Audio
cy·clin
Subclass of:
Intracellular Signaling Peptides and Proteins; Cell Cycle Proteins
Definitions related to cyclins:
  • A non-enzymatic regulatory protein that is critical during the cell cycle. The cyclin family members complex with other proteins to modulate the protein kinase activity of the cell.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • Family of proteins which accumulate during interphase of the eukaryotic cell cycle and are destroyed at the conclusion of mitosis; believed to be involved in inducing mitosis.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • A large family of regulatory proteins that function as accessory subunits to a variety of CYCLIN-DEPENDENT KINASES. They generally function as ENZYME ACTIVATORS that drive the CELL CYCLE through transitions between phases. A subset of cyclins may also function as transcriptional regulators.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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