BUB1B

Mitotic checkpoint serine/threonine-protein kinase BUB1 beta is a protein in humans that is encoded by BUB1B gene. Essential component of the mitotic checkpoint. Required for normal mitosis progression. The mitotic checkpoint delays anaphase until all chromosomes are properly attached to the mitotic spindle. One of its checkpoint functions is to inhibit the activity of the anaphase-promoting complex/cyclosome (APC/C) by blocking the binding of CDC20 to APC/C, independently of its kinase activity. The other is to monitor kinetochore activities that depend on the kinetochore motor CENPE. Required for kinetochore localization of CENPE. Negatively regulates PLK1 activity in interphase cells and suppresses centrosome amplification. Also implicated in triggering apoptosis in polyploid cells that exit aberrantly from mitotic arrest. May play a role for tumor suppression.

BUB1B Antibodies

BUB1B Antibodies for Homo sapiens (Human)

BUB1B Proteins

BUB1B Proteins for Homo sapiens (Human)

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