| Field | Specification |
|---|---|
| Target | |
| Alternative names | Ribosomal protein S6 kinase alpha-6; S6K-alpha-6; 90 kDa ribosomal protein S6 kinase 6; p90-RSK 6; p90RSK6; Ribosomal S6 kinase 4; RSK-4; pp90RSK4; RPS6KA6; RSK4 |
| Gene ID | |
| UniProt # | |
| Host | |
| Clone | |
| Clonality | |
| Isotype | |
| Reactivity | |
| Applications | |
| Immunogen | A synthesized peptide derived from human RSK4 |
| Molecular weight | |
| Purification | |
| Reconstitution | |
| Cellular localization | |
| Concentration | |
| Form | Liquid |
| Storage | |
| Catalog no. (Mfr.) | |
| Main SKU |
Product Overview
Clone 21R95 is a rabbit monoclonal antibody that recognizes ribosomal protein S6 kinase alpha-6 (gene RPS6KA6) in human samples and is validated for Western blot, IHC, ICC/IF and flow cytometry. The predicted molecular weight is 83.9 kDa, and the supplier reports an observed band at about 84 kDa.
RSK4 (RPS6KA6) is a member of the p90 ribosomal S6 kinase family that, unlike other RSKs, shows substantial activity without growth factor stimulation. It has been linked to p53-dependent growth arrest and to restraint of signaling during embryogenesis, and it is studied as a candidate tumor suppressor.
| Target | Ribosomal protein S6 kinase alpha-6 (gene RPS6KA6; UniProt Q9UK32, human) |
|---|---|
| Clone | 21R95 |
| Host / Clonality / Isotype | Rabbit / Monoclonal / IgG |
| Reactivity | Human |
| Form | Liquid |
| Formulation | PBS (pH 7.4); 150 mM NaCl; 0.02% sodium azide; 50% glycerol; plus stabilizers |
| Calculated MW | 83.9 kDa |
| Observed MW | 84 kDa |
| Storage | Long term: −20 °C for up to 12 months. Frequent use: 4 °C for up to 1 month. Avoid repeated freeze–thaw cycles. |
Validated Applications
| Western blot | 1:500–1:2000 |
|---|---|
| Immunohistochemistry | 1:50–1:200 |
| Immunocytochemistry / Immunofluorescence | 1:50–1:200 |
| Flow cytometry | 1:50 |
Samples with a confirmed band (WB): SH-SY5Y cells.
Recommended loading (WB): 20–40 µg of total protein per lane.
Immunogen
Synthetic peptide based on the sequence of human RSK4.
Reactivity Notes
The supplier lists reactivity with human. UniProt places ribosomal protein S6 kinase alpha-6 in the cytoplasm and nucleus. The samples tested by the supplier (listed above) are a practical starting point for positive controls.
Safety
Customization & Add-ons: Can’t find the antibody you need—or require a custom format for your assay? We can help you source the best match or support custom antibody solutions for diverse research needs, including species and isotype selection, conjugations and labeling (e.g., HRP/AP, biotin, fluorophores), purification grade options (Protein A/G, affinity purified), formulation preferences (buffer selection, carrier-free, glycerol-free), custom concentrations and aliquoting, low-endotoxin options for cell-based work, and application-focused QC/validation support (project dependent). Click Talk to a Scientist to submit a request, email us at support@biohippo.com, or explore our Research Services for additional support—our team will follow up with feasibility details and next steps.
