Human STK3 (serine/threonine kinase 3), also known as MST-2 (Mammalian STE20-like protein kinase 2) or KRS1, GenBank Accession No. NM_006281, a.a. 2-492(end), with N-terminal GST-tag, MW=78.4 kDa, expressed in Sf9 insect cells via a baculovirus expression system.
host species: Sf9 cells
Host species: Sf9 cells
Specific activity: 31 pmole/min/ug
Background
STK3, also known as MST2, encodes a protein of 491-amino acid which contains an N-terminal catalytic domain characteristic of STKs. STK3 and STK4 share 94% amino acid identity in the catalytic domain and 78% identity overall. RAF1 has been shown to counteract apoptosis by suppressing the activation of mammalian sterile 20-like kinase (MST2). STK3 is a kinase that is activated by the proapoptotic agents straurosporine and FAS ligand. STK3 activation presumably allows cells to resist unfavorable environmental conditions.
Immunogen Region
2-492(end)
Tag
N-terminal GST-tag
Formulation
45 mM Tris-HCl, pH 8.0, 124 mM NaCl, 2.4 mM KCl, 3 mM DTT, 18 mM glutathione, and 10% glycerol
Species
Human
Application
Useful for the study of enzyme kinetics, screening inhibitors, and selectivity profiling
Notes
Enzyme reaction is conducted in a buffer containing 50 mM HEPES (pH 7.5), 10 mM MgCl2, 1 mM EGTA, 200 uM ATP, 0.01% Brij-35 and 2 uM substrate (Ser/Thr Peptide 7, Invitrogen) at 30°C for 1 hour.
Avoid freeze/thaw cycles.
GenBank
NM_006281
Mw(kda)
78.4 kDa
Synonyms
KRS1; MST2; FLJ90748
Uniprot
Q13188
Shipping Temperature
-80°C (dry ice)
Format
Aqueous buffer solution
Storage
At least 6 months at -80°C.
Reference
1. Taylor, L.K., et al. (1996). Proc. Natl. Acad. Sci. USA. 93(19):10099-104. 2. Song, H., et al. (2010). Proc. Natl. Acad. Sci. USA. 107(4):1431-6. 3. Kim, D., et al. (2010). PLoS One 5(3):e9616.