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MAP3K4 (Human) Recombinant ProteinBioActive

  • Catalog # : P5591
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  • Specification
  • Product Description:
  • Human MAP3K4 (NP_005913.2, 1312 a.a. - 1608 a.a.) partial recombinant protein with GST tag expressed in baculovirus infected Sf21 cells.
  • Host:
  • Insect
  • Theoretical MW (kDa):
  • 61
  • Form:
  • Liquid
  • Preparation Method:
  • Baculovirus infected insect cell (Sf21) expression system
  • Purification:
  • Glutathione sepharose chromatography
  • Purity:
  • 91 % 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

    QC Testing of P5591
  • 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

  • Applications
  • Functional Study
  • SDS-PAGE
  • Application Image
  • Functional Study
  • SDS-PAGE
  • Gene Information
  • Entrez GeneID:
  • 4216
  • Gene Name:
  • MAP3K4
  • Gene Alias:
  • FLJ42439,KIAA0213,MAPKKK4,MEKK4,MTK1,PRO0412
  • Gene Description:
  • mitogen-activated protein kinase kinase kinase 4
  • Gene Summary:
  • The central core of each mitogen-activated protein kinase (MAPK) pathway is a conserved cascade of 3 protein kinases: an activated MAPK kinase kinase (MAPKKK) phosphorylates and activates a specific MAPK kinase (MAPKK), which then activates a specific MAPK. While the ERK MAPKs are activated by mitogenic stimulation, the CSBP2 and JNK MAPKs are activated by environmental stresses such as osmotic shock, UV irradiation, wound stress, and inflammatory factors. This gene encodes a MAPKKK, the MEKK4 protein, also called MTK1. This protein contains a protein kinase catalytic domain at the C terminus. The N-terminal nonkinase domain may contain a regulatory domain. Expression of MEKK4 in mammalian cells activated the CSBP2 and JNK MAPK pathways, but not the ERK pathway. In vitro kinase studies indicated that recombinant MEKK4 can specifically phosphorylate and activate PRKMK6 and SERK1, MAPKKs that activate CSBP2 and JNK, respectively but cannot phosphorylate PRKMK1, an MAPKK that activates ERKs. MEKK4 is a major mediator of environmental stresses that activate the CSBP2 MAPK pathway, and a minor mediator of the JNK pathway. Two alternatively spliced transcripts encoding distinct isoforms have been described. [provided by RefSeq
  • Other Designations:
  • MAP/ERK kinase kinase 4,MAPK/ERK kinase kinase 4,SSK2/SSK22 MAP kinase kinase kinase, yeast, homolog of,dJ473J16.1 (mitogen-activated protein kinase kinase kinase 4),predicted protein of HQ0412
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