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MEK 5 (pSer311/pThr315) antibody

Rabbit anti MEK 5 (pSer311/pThr315)

Product Type
Polyclonal Antibody
Polyclonal IgG
MEK 5 (pSer311/pThr315)

Product Code Applications Pack Size List Price Your Price Qty
Datasheet Datasheet Datasheet
SDS Safety Datasheet SDS
WB 0.1 ml loader
List Price Your Price

Rabbit anti Rat MEK 5 (pSer311/pThr315) antibody recognizes MAPK/ERK kinase 5 (MEK 5), also known as dual specificity mitogen-activated protein kinase kinase 5 (MAPKK 5), when phosphorylated at serine 311 and threonine 315.

MEK5 is a dual specificity serine/threonine protein kinase belonging to the MAP kinase kinase family, which acts as a key regulator in a mitogen-activated protein (MAP) kinase cascade, and hence growth factor-induced cellular stimulation. MEK5 exists in naturally occurring MEK5alpha and MEK5beta splice variants, the former of which is known to specifically activate/regulate MAPK7/ERK5/BMK1, whilst the latter may act as a suppressor of MAPK7 activation. Activation of MEK5 itself is regulated by upstream MAP3K3/MEKK3, and phosphorylation of MEK5 at both the serine 311 and threonine 315 sites has been implicated in cell proliferation.

Target Species
Species Cross-Reactivity
Target SpeciesCross Reactivity
Mouse Expected from Sequence
Dog Expected from Sequence
Primate Expected from Sequence
Xenopus Expected from Sequence
Zebrafish Expected from Sequence
Human Expected from Sequence
Bovine Expected from Sequence
Chicken Expected from Sequence
N.B. Antibody reactivity and working conditions may vary between species.
Product Form
Purified IgG - liquid
Antiserum Preparation
Antisera to MEK5 were raised by repeated immunisations of rabbits with highly purified antigen. Purified IgG was prepared by affinity chromatography.
Buffer Solution
10mM HEPES pH7.5, 150mM NaCl
Preservative Stabilisers
0.09%Sodium Azide (NaN3)
0.01%Bovine Serum Albumin
50% Glycerol
Synthetic phosphopeptide corresponding to an amino acid sequence within MEK5 , which includes the phoshorylated residues Ser311 and Thr315.
For research purposes only
12 months from date of despatch

This product is shipped at ambient temperature. It is recommended to aliquot and store at -20°C on receipt. When thawed, aliquot the sample as needed. Keep aliquots at 2-8°C for short term use (up to 4 weeks) and store the remaining aliquots at -20°C.

Avoid repeated freezing and thawing as this may denature the antibody. Storage in frost-free freezers is not recommended.

This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
Application Name Verified Min Dilution Max Dilution
Western Blotting 1/1000
Where this product has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the product for use in their own system using appropriate negative/positive controls.
Western Blotting
AHP1302 detects a band of approximately 49kDa in rat testes cell lysates.

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References for MEK 5 (pSer311/pThr315) antibody

  1. Cameron, S.J. et al. (2004) Differential role of MEK5alpha and MEK5beta in BMK1/ERK5 activation.
    J Biol Chem. 279 (2): 1506-12.

Entrez Gene
GO Terms
GO:0016020 membrane
GO:0005829 cytosol
GO:0004707 MAP kinase activity
GO:0004708 MAP kinase kinase activity
GO:0004713 protein tyrosine kinase activity
GO:0046872 metal ion binding
GO:0005524 ATP binding
GO:0005634 nucleus
GO:0006468 protein phosphorylation
GO:0030307 positive regulation of cell growth
GO:0050679 positive regulation of epithelial cell proliferation
GO:0070375 BMK cascade


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