Formation of Cyclin B:Cdc2 complexes

Stable Identifier
R-HSA-170057
Type
Reaction [binding]
Species
Homo sapiens
Compartment
cytosol
ReviewStatus
5/5
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Formation of Cyclin B:Cdc2 complexes
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Cyclin-dependent kinases are themselves catalytically inactive due to the fact that their active site is blocked by a portion of the Cdk molecule itself. Binding to their corresponding cyclin partner results in conformational change that partially exposes the active site. The two B-type cyclins localize to different regions within the cell and and are thought to have specific roles as CDK1-activating subunits (see Bellanger et al., 2007). Cyclin B1 is primarily cytoplasmic during interphase and translocates into the nucleus at the onset of mitosis (Jackman et al., 1995; Hagting et al., 1999). Cyclin B2 colocalizes with the Golgi apparatus and contributes to its fragmentation during mitosis (Jackman et al., 1995; Draviam et al., 2001).
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Orthologous Events
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Created
Matthews, L  (2005-12-23)
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