General Notes
This product (Catalog No. DPABH-04352) is a rabbit-derived polyclonal antibody raised against human MAP3K3. This antibody exhibits cross-reactivity with MAP3K3 from mouse. It has been affinity purified by Protein A. Mitogen-activated protein kinase kinase kinase 3 is an enzyme that in humans is encoded by the MAP3K3 gene, which is located on the long arm of chromosome 17 (17q23.3).This gene product is a 626-amino acid polypeptide that is 96.5% identical to mouse MEKK3. Its catalytic domain is closely related to those of several other kinases, including mouse MEKK2, tobacco NPK, and yeast STE11. Northern blot analysis revealed a 4.6-kb transcript that appears to be ubiquitously expressed. MAP3Ks are involved in regulating cell fate in response to external stimuli. MAP3K3 directly regulates the stress-activated protein kinase (SAPK) and extracellular signal-regulated protein kinase (ERK) pathways by activating SEK and MEK1/2 respectively. In cotransfection assays, it enhanced transcription from a nuclear factor kappa-B (NF-κB)-dependent reporter gene, consistent with a role in the SAPK pathway. Alternatively spliced transcript variants encoding distinct isoforms have been observed. MEKK3 regulates the p38, JNK and ERK1/2 pathways.
DPABH-04352 is suitable for use in WB 1 (500-1:2000), IF/ICC 1 (100-1:500) applications.
DPABH-04352 is supplied as a liquid formulation in Phosphate buffered saline, pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. For long-term storage, keep at −20 °C. For short-term use, store at 2–8 °C. Avoid repeated freeze–thaw cycles to maintain antibody integrity and performance.
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