Anti-phospho-p70 S6 Kinase (Thr389) Antibody, clone 10G7.1

The p70 S6 kinase is a ubiquitous cytoplasmic protein that is activated in response to cytokines, and growth factors including the epidermal growth factor and fibroblast growth factor. It lies downstream of the mTOR/PI3K pathway and is phosphorylated on multiple residues: Thr389, Thr229, Thr421, Ser371, Ser404, Ser411, Ser418, and Ser424. Thr389, Ser371, and Ser404 are located in the linker domain; whereas Thr421, Ser411, Ser418, Ser424 are located in the autoinhibitory domain, and Thr229 is found in the catalytic domain. These sites may be phosphorylated in a hierarchical sequence leading to the activation of the p70 S6 kinase. The p70 S6 kinase phosphorylates the S6 protein on the 40S ribosomal protein (rpS6), and plays a role in multiple processes including regulation of mRNA molecules with 5’-terminal oligopyrimidine tracts, protein synthesis, cell growth, proliferation, and cell survival. The activity of this kinase may be important in diabetes, cancer, and aging.

~70/85 kDa observed. This protein recognizes isoforms Alpha I and Alpha II. Uncharacterized bands appear at ~18 and 200 kDa in some lysates depending on treatment conditions.

Epitope: Phosphorylated (Thr389)

KLH-conjugated linear peptide corresponding to mouse p70 S6 Kinase phosphorylated at (Thr389).

Immunocytochemistry Analysis: A 1:500 dilution from a representative lot detected p70 S6 Kinase in A431 cells.

Research Category
Signaling

Research Sub Category
Cell Cycle, DNA Replication & Repair

This Anti-phospho-p70 S6 Kinase (Thr389) Antibody, clone 10G7.1 is validated for use in Western Blotting, ICC for the detection of phospho-p70 S6 Kinase (Thr389).

This antibody recognizes p70 S6 Kinase phosphorylated at (Thr389). This antibody also recognizes isoforms Alpha I and Alpha II.

Format: Purified

Protein G Purified

Purified mouse monoclonal IgG2aκ in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

Stable for 1 year at 2-8°C from date of receipt.

Control
Untreated and serum treated NIH/3T3 cell lysates

Evaluated by Western Blot in untreated and serum treated NIH/3T3 cell lysates.

Western Blot Analysis: 1 µg/mL of this antibody detected p70 S6 Kinase on 10 µg of untreated and serum treated NIH/3T3 cell lysates.

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Replaces: 04-392

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