MAP3K3 (Human) Recombinant Protein
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Result of activity analysis
Result of activity analysis
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Specification
Product Description
Human MAP3K3 (NP_002392.2, 1 a.a. - 626 a.a.) full-length recombinant protein with GST tag expressed in baculovirus infected Sf21 cells.
Host
insect
Theoretical MW (kDa)
97
Form
Liquid
Preparation Method
Baculovirus infected insect cell (Sf21) expression system
Purification
Glutathione sepharose chromatography
Purity
89 % by SDS-PAGE/CBB staining
Activity
The activity was determined by ELISA. The enzyme was incubated with GST-fused substrate protein, and after stopping kinase reaction by EDTA, the reaction solution was transferred into glutathione-coated plate. Phosphorylation was detected by anti-phospho antibody and HRP-labeled anti-rabbit IgG(or HRP-labeled anti-mouse IgG). Substrate: MAP2K7 [inactive mutant]. ATP: 100 uM
Quality Control Testing
Loading 1 ug protein in SDS-PAGE
Storage Buffer
In 50 mM Tris-HCl, 150 mM NaCl, pH 7.5 (0.05% Brij35, 1 mM DTT, 10% glycerol)
Storage Instruction
Store at -80°C.
Aliquot to avoid repeated freezing and thawing.Note
Result of activity analysis
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Applications
Functional Study
SDS-PAGE
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Gene Info — MAP3K3
Entrez GeneID
4215Protein Accession#
NP_002392.2Gene Name
MAP3K3
Gene Alias
MAPKKK3, MEKK3
Gene Description
mitogen-activated protein kinase kinase kinase 3
Omim ID
602539Gene Ontology
HyperlinkGene Summary
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. This protein directly regulates the stress-activated protein kinase (SAPK) and extracellular signal-regulated protein kinase (ERK) pathways by activating SEK and MEK1/2 respectively; it does not regulate the p38 pathway. In cotransfection assays, it enhanced transcription from a nuclear factor kappa-B (NFKB)-dependent reporter gene, consistent with a role in the SAPK pathway. Alternatively spliced transcript variants encoding distinct isoforms have been observed. [provided by RefSeq
Other Designations
MAP/ERK kinase kinase 3|MAPK/ERK kinase kinase 3
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Interactome
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