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W4387

Sigma-Aldrich

Wee1, active from rat

N-terminal GST-tagged, solution

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About This Item

MDL number:
UNSPSC Code:
12352202
NACRES:
NA.77

biological source

rat

Quality Level

recombinant

expressed in E. coli

form

solution

mol wt

~110 kDa

UniProt accession no.

application(s)

cell analysis

shipped in

dry ice

storage temp.

−70°C

Gene Information

Application

Wee1, active from rat may be used to study apoptotic signaling.

Biochem/physiol Actions

Wee1 is a protein tyrosine kinase that phosphorylates Cdc2 on Tyr15 and hence inactivates the CDK1 and CDK2, which facilitates in the negative regulation of entry of cells into mitosis. Increased level of wee1 stimulates Human Immunodeficiency Virus type 1 (HIV-1) Vpr induced cell cycle arrest at G2/M transition followed by apoptosis.
Protein inhibitor of Cdk2 kinase

Unit Definition

One unit of Wee 1 is defined as the amount of Wee 1 which inhibits 90% of the activity of 10 units of Cdk2

Physical form

Solution in 50 mM Tris-HCl, pH 7.5, 1 mM EDTA, 1 mM DTT, 10% Glycerol

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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P Russell et al.
Cell, 49(4), 559-567 (1987-05-22)
Fission yeast wee1- mutants initiate mitosis at half the cell size of wild type. The wee1+ activity is required to prevent lethal premature mitosis in cells that overproduce the mitotic inducer cdc25+. This lethal phenotype was used to clone wee1+
F S Goes et al.
European journal of biochemistry, 268(8), 2281-2289 (2001-04-12)
The Wee1 protein kinase negatively regulates entry into mitosis by mediating the inhibitory tyrosine phosphorylation of Cdc2-cyclin B kinase. The stability and activity of Wee1 from the fission yeast Schizosaccharomyces pombe is critically dependent on functional Hsp90 chaperones. Here we
Huidong Yuan et al.
Journal of virology, 78(15), 8183-8190 (2004-07-16)
Human immunodeficiency virus type 1 (HIV-1) Vpr induces cell cycle arrest at the G(2)/M transition and subsequently apoptosis. Here we examined the potential involvement of Wee-1 in Vpr-induced G(2) arrest. Wee-1 is a cellular protein kinase that inhibits Cdc2 activity

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