Detects human, mouse and rat p70 S6 Kinase and p85 S6 Kinase (also known as p70 S6 Kinase alpha I), an isoform with 23 extra residues at the N-terminus. Reactivity with beta isoforms of p70 S6 Kinase is unknown.
Polyclonal Goat IgG
E. coli-derived recombinant human p70 S6K Accession # M60725
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Detection of Human and Mouse p70 S6 Kinase by Western Blot.
Western blot shows lysates of MCF‑7 human breast cancer cell line, HeLa human cervical epithelial carcinoma cell line, and NIH‑3T3 mouse embryonic fibroblast cell line. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human/Mouse/Rat p70 S6 Kinase Antigen Affinity-purified Polyclonal Antibody (Catalog # AF8964) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). Specific bands were detected for p70 S6 Kinase at approximately 70 and 85 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: p70 S6 Kinase
p70 S6 kinase is a Ser/Thr kinase activated by such mitogens as EGF, IGF-I, and insulin. The S6 protein of the 40S ribosomal subunit is a major substrate of p70 S6 kinase, and its phosphorylation upregulates the translation of mRNAs containing an oligopyrimidine tract at their transcriptional start site. The activity of p70 S6 kinase is controlled by multiple phosphorylation events, with phosphorylation at T229 by PDK1 and T389 by mTOR most critical for kinase function.
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