Biologically Active Substance
cyclin B
cy·clin b
Subclass of:
Cyclins
Definitions related to cyclin b:
  • A cyclin subtype that is transported into the cell nucleus at the end of the G2 PHASE. It stimulates the G2/M phase transition by activating CDC2 PROTEIN KINASE.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • A protein family whose members form complexes with cyclin-dependent kinase 1 to form maturation promoting factor (mitosis promoting factor; MPF), which is essential for the progression through the G2/M and DNA damage cell cycle checkpoints.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
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