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M7194

Sigma-Aldrich

Monoclonal Anti-MEKK4 antibody produced in mouse

~2 mg/mL, clone MEKK4-338, purified immunoglobulin, buffered aqueous solution

Synonym(s):

Anti-MAP3K4

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About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.44

biological source

mouse

conjugate

unconjugated

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

MEKK4-338, monoclonal

form

buffered aqueous solution

mol wt

antigen ~182 kDa

species reactivity

human, rat, mouse

concentration

~2 mg/mL

technique(s)

immunocytochemistry: suitable
indirect ELISA: suitable
microarray: suitable
western blot: 10-20 μg/mL using total cell extract of HEK293T cells

isotype

IgG2b

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... MAP3K4(4216)
mouse ... Map3k4(26407)
rat ... Map3k4(308106)

General description

Monoclonal Anti-MEKK4 (mouse IgG2b isotype) is derived from the hybridoma MEKK4-338 produced by the fusion of mouse myeloma cells (NS1 cells) and splenocytes from BALB/c mice immunized with a synthetic peptide of human MEKK4. MAP kinase 4 (MEKK4 also called MAP3K4, is the human homolog of the S. cerevisiae Ssk2 and Ssk22 MAPKKKs. The protein has 1607 amino acids with a protein kinase catalytic domain at the C-terminus that is 98, 42, 36 and 41 percent identical to the kinase domains of mouse MEKK4, Serine/threonine-protein kinase proteins (SSK22 - Ssk2, Ssk22) and S. pombe Wik1, respectively. A non-kinase domain that has a regulatory function is located at the N-terminal part of the protein. The protein is expressed mainly in heart, placenta, skeletal muscle and pancreas.

Specificity

Monoclonal Anti-MEKK4 antibody is specific for human, rat and mouse MEKK4 (approx. 182 kDa).

Immunogen

synthetic peptide corresponding to amino acids 1081-1095 of human MEKK4, conjugated to KLH.

Application

Monoclonal Anti-MEKK4 antibody produced in mouse has been used in:
  • western blotting
  • ELISA
  • immunocytochemistry

Biochem/physiol Actions

MAP kinase 4 (MEKK4) -null embryos developed highly penetrant neural tube defects with exencephaly and spina bifida. During neural tube development, it regulates MAP kinase 4 (MKK4) activity and apoptotic cell death.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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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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Loss of mitogen-activated protein kinase 4 (MEKK4) results in enhanced apoptosis and defective neural tube development
Chi H, et al.
Proceedings of the National Academy of Sciences of the USA, 102(10), 3846-3851 (2005)
Amy N Abell et al.
The Journal of biological chemistry, 280(43), 35793-35796 (2005-09-15)
TRAF4 has previously been shown to activate JNK through an unknown mechanism. Here, we show that endogenous TRAF4 and MEKK4 associate in both human K562 cells and mouse E10.5 embryos. TRAF4 interacts with the kinase domain of MEKK4. However, this
Mitogen-activated protein kinase 4 deficiency in intrahepatic cholangiocarcinoma leads to invasive growth and epithelial-mesenchymal transition
Yang LX, et al.
Hepatology, 62(6), 1804-1816 (2015)
Loss of mitogen-activated protein kinase 4 (MAP3K4) reveals a requirement for MAPK signalling in mouse sex determination
Bogani D, et al.
PLoS Biology, 7(9), e1000196-e1000196 (2009)
Noha A M Shendy et al.
Biology of reproduction, 105(2), 491-502 (2021-04-30)
Sex determination requires the commitment of bipotential gonads to either a testis or an ovarian fate. Gene deletion of the kinase Map3k4 results in gonadal sex reversal in XY mice, and transgenic re-expression of Map3k4 rescues the sex reversal phenotype.

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