Acts as a negative regulator of entry into mitosis (G2 to M transition) by protecting the nucleus from cytoplasmically activated cyclin B1-complexed CDK1 before the onset of mitosis by mediating phosphorylation of CDK1 on ′Tyr-15′. Specifically phosphorylates and inactivates cyclin B1-complexed CDK1 reaching a maximum during G2 phase and a minimum as cells enter M phase. Phosphorylation of cyclin B1-CDK1 occurs exclusively on ′Tyr-15′ and phosphorylation of monomeric CDK1 does not occur. Its activity increases during S and G2 phases and decreases at M phase when it is hyperphosphorylated. A correlated decrease in protein level occurs at M/G1 phase, probably due to its degradation.
Product Source: N-terminal GST-tagged and C-terminal 6His tagged, recombinant, human Wee1 amino acids 214-end expressed by baculovirus in Sf21 insect cells.
Azioni biochim/fisiol
Protein Target: WEE1
Confezionamento
Also available in 250μg size as catalog # 14-925M and in bulk as catalog # 14-925-K.
Qualità
Routinely evaluated by phosphorylation of peptide LSNLYHQGKFLQTFCGSPLYRRR.
Altre note
For Specific Activity data, refer to the Certificate of Analysis for individual lots of this enzyme.
Note legali
UPSTATE is a registered trademark of Merck KGaA, Darmstadt, Germany
Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.
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