Our PDK1 (Tyr-9) rabbit polyclonal phosphospecific primary antibody from PhosphoSolutions is produced in-house. It detects human, mouse, and rat PDK1 (Tyr-9) and is antigen affinity purified. It is great for use in WB, ICC.
Western blot image of A431 cells stimulated with pervanadate (lanes 1 and 3). The blots were then treated with akaline phosphatase (lanes 2 & 4) then probed with anti-PDK1 (C-terminal region) mouse monoclonal antibody or anti-PDK1 (Tyr-9) (PP1431) rabbit polyclonal antibody.
3-Phosphoinositide-dependent kinase 1 (PDK1), also known as PKB kinase, was identified as the activator of the survival kinase Akt/PKB. Several important substrates of PDK1 include p70S6 kinase, PKAs, PKCs, SGKs, RSKs, and PAKs. PDK1 is a member of the AGC superfamily of serine/threonine kinases. Through the phosphorylation of downstream kinases, like Akt, PDK1 has been shown to be involved in several different cell functions, such as protein synthesis, cell survival, glucose metabolism, and cell adhesion and migration. The regulation of PDK1 occurs through lipid second messengers and phosphorylation. Multiple serine sites are phosphorylated on PDK1. Serine 241 phosphorylation is required for PDK1 activity, while serine 396 has been implicated in PDK1 nuclear translocation. Tyrosine phosphorylation may also regulate PDK1 activity. Tyrosines 9 and 373/376 are phosphorylated by c-Src in vitro. Tyr-373/Tyr-376 are important for PDK1 activity, while Tyr-9 phosphorylation permits Tyr-373/Tyr-376 phosphorylation by c-Src. In addition, Tyr-9 may be important during angiotensin-II-induced focal adhesion formation.
Antigen Affinity Purified
Polyclonal
IgG
ICC, WB
Rabbit
PDK1
65
Phospho-PDK1 (Tyr-9) synthetic peptide (coupled to carrier protein) corresponds to amino acids surrounding tyrosine 9 in human PDK1. This sequence is highly conserved in rat and mouse PDK1.
Human, Mouse, Rat
Storage at -20°C is recommended, as aliquots may be taken without freeze/thawing due to presence of 50% glycerol. Stable for at least 1 year at -20°C.
Liquid
PBS + 1 mg/ml BSA, 0.05% NaN3 and 50% glycerol
WB: 1:1000
ICC: 1:200
Unconjugated
This antibody was cross-adsorbed to phospho-tyrosine coupled to agarose, then affinity purified using phospho-PDK1 (Tyr-9) peptide. The purified antibody detects a 65 kDa* protein corresponding to the apparent molecular mass of PDK1 on SDS-PAGE immunoblots of human A431 cells treated with EGF, IGF-1, or pervanadate, but not in untreated cells. PDK1 (Tyr-9) reactivity was also observed in adult mouse brain.
Phosphorylated
Tyr-9
Western blots performed on each lot.
For research use only. Not intended for therapeutic or diagnostic use. Use of all products is subject to our terms and conditions, which can be viewed on our website.
United States
After date of receipt, stable for at least 1 year at -20°C.
Block, K., et al. 2008. Nox4 NAD(P)H oxidase mediates Src-dependent tyrosine phosphorylation of PDK-1 in response to angiotensin II: role in mesangial cell hypertrophy and fibronectin expression. Journal of Biological Chemistry, 24061-24076.
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