WB, IP, E-P
All
Endogenous
Mouse IgG2a
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:50 |
| Peptide ELISA (DELFIA) | 1:1000 |
Storage
Specificity / Sensitivity
Species Reactivity:
All Species Expected
Source / Purification
Monoclonal antibody is produced by immunizing animals with peptides containing the PDK1 docking motif.
Background
A hallmark of signal transduction pathways is the reversible phosphorylation of serine and threonine residues within specific sequences, or motifs, in target proteins. Specific signaling motifs include not only sequences that are recognized by protein kinases (1), but also those that are recognized by phosphorylation-dependent binding proteins such as 14-3-3 (2). These modular phosphoprotein interacting domains are critical elements in modulating, directing and amplifying intracellular communications. CST has pioneered the development of phospho-motif specific antibodies, which are invaluable tools for probing the complexity of phospho-regulatory pathways.
Many critical protein kinases can be regulated by phosphorylation at a specific serine or threonine in a hydrophobic motif (3). For example, Akt, a kinase that regulates cell survival, is activated by phosphorylation at Ser473, a site preceded by Phe at -4 and -1 and followed by Tyr at +1 (4). RSK2, p70 S6 kinase and certain PKC isoforms also contain a similar consensus phosphorylation motif. Phosphorylation of these motifs is required for binding to 3-phosphoinositide-dependent kinase 1 (PDK1) (5-7). Phospho-(Ser/Thr) PDK1 Docking Motif (18A2) Monoclonal Antibody is a powerful tool for the characterization of phosphorylated PDK1 docking motifs and the identification of new proteins with PDK1 docking motifs.
- Pinna, L.A. and Ruzzene, M. (1996) Biochim Biophys Acta 1314, 191-225.
- Yaffe, M.B. and Elia, A.E. (2001) Curr Opin Cell Biol 13, 131-8.
- Vanhaesebroeck, B. and Alessi, D.R. (2000) Biochem J 346 Pt 3, 561-76.
- Alessi, D.R. et al. (1996) EMBO J 15, 6541-51.
- Frödin, M. et al. (2000) EMBO J 19, 2924-34.
- Balendran, A. et al. (1999) J Biol Chem 274, 37400-6.
- Balendran, A. et al. (2000) J Biol Chem 275, 20806-13.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Western Blot Buffer
IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
Applications Key
WB: Western Blotting IP: Immunoprecipitation E-P: Peptide ELISA (DELFIA)
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
Trademarks and Patents
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