Home  >  Products  >  ASK1, active, Recombinant, Human (Apoptosis Signal-regulating Kinase 1, ASK-1, Mitogen-activated Protein Kinase Kinase Kinase 5, MAP3K5, MAPKKK5, MAPK/ERK Kinase Kinase 5, MEK Kinase 5, MEKK 5, MEKK5)
ASK1, active, Recombinant, Human (Apoptosis Signal-regulating Kinase 1, ASK-1, Mitogen-activated Protein Kinase Kinase Kinase 5, MAP3K5, MAPKKK5, MAPK/ERK Kinase Kinase 5, MEK Kinase 5, MEKK 5, MEKK5)

ASK1, active, Recombinant, Human (Apoptosis Signal-regulating Kinase 1, ASK-1, Mitogen-activated Protein Kinase Kinase Kinase 5, MAP3K5, MAPKKK5, MAPK/ERK Kinase Kinase 5, MEK Kinase 5, MEKK 5, MEKK5)

Cat no: A3794-02

Supplier: United States Biological
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ASK1, also known as MEKK5 or MAPKKK5, activates MKK3, MKK4 (SEK1), and MKK6. Over-expression of ASK1 induces apoptotic cell death and is activated in cells treated with tumor necrosis factor alpha (TNFa) (1). ASK1 interacts with members of the TRAF family and is activated by TRAF2 in the TNF-signaling pathway. After activation by TRAF2, ASK1 activates MKK4, which in turn activates JNK. Thus, ASK1 is a mediator of TRAF2-induced JNK activation (2). Source: Recombinant human ASK1 (amino acids 649-946) was expressed by baculovirus in Sf9 insect cells using an N-terminal GST tag. The gene accession number is NM_005923. Activity: The specific activity of ASK1 was determined to be 97 nmol/min/mg using a myelin basic protein (MBP) substrate (see activity assay protocol). Storage and Stability: Aliquot to avoid repeated freezing and thawing, and freeze at -70 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Aliquots are stable for at least 12 months.
Catalogue number: A3794-02
Size: 10ug
Form: Supplied as a liquid in 50mM Tris-HCl, pH 7.5, 150mM sodium chloride, 0.25mM DTT, 0.1mM EGTA, 0.1mM EDTA, 0.1mM PMSF, 25% glycerol.
Purity: (same/more than) 90% by densitometry
Alternative names: EC=2.7.11.25
References: 1. Ichijo, H. et al. (1997) Science 275:90. 2. Nishitoh, H. et al. (1998) Molec. Cell 2:389.

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