Cyclin B

**Definition:** 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.

**Tree numbers:** - D12.644.360.262.120 - D12.776.167.218.120 - D12.776.476.262.120

**Synonyms:** - Type B Cyclins - Type B Cyclin