| Field | Specification |
|---|---|
| Target | |
| Alternative names | Testis-specific serine/threonine-protein kinase 4; TSK-4; TSSK-4; Testis-specific kinase 4; Serine/threonine-protein kinase 22E; TSSK4; C14orf20; STK22E; TSSK5 |
| UniProt # | |
| Host | |
| Clonality | |
| Isotype | |
| Reactivity | |
| Applications | |
| Immunogen | E.coli-derived human TSSK4 recombinant protein (Position: D5-K319). |
| Molecular weight | |
| Purification | |
| Reconstitution | |
| Cellular localization | |
| Concentration | |
| Form | Lyophilized |
| Storage | |
| Catalog no. (Mfr.) | |
| Main SKU |
Product Overview
This rabbit polyclonal antibody recognizes testis-specific serine/threonine-protein kinase 4 (gene TSSK4) in human samples and is validated for Western blot, flow cytometry and ELISA. The predicted molecular weight is 37.5 kDa, and the supplier reports an observed band at about 42 kDa.
TSSK4 is a testis-specific serine/threonine kinase of the TSSK family expressed in developing male germ cells. It has been shown to phosphorylate CREB and CREM and to modify the sperm tail protein ODF2, and it is studied for its role in sperm development and sperm motility.
| Target | Testis-specific serine/threonine-protein kinase 4 (gene TSSK4; UniProt Q6SA08, human) |
|---|---|
| Host / Clonality / Isotype | Rabbit / Polyclonal / Rabbit IgG |
| Reactivity | Human |
| Form | Lyophilized |
| Formulation | Per vial: 4 mg trehalose; 0.9 mg NaCl; 0.2 mg Na2HPO4 |
| Calculated MW | 37.5 kDa |
| Observed MW | 42 kDa |
| Storage | As supplied: −20 °C for up to 12 months from receipt. After reconstitution: 4 °C for up to 1 month, or aliquot and keep at −20 °C for up to 6 months. Avoid repeated freeze–thaw cycles. |
Validated Applications
| Western blot | 0.25–0.5 µg/mL (Human) |
|---|---|
| Flow cytometry (fixed cells) | 1–3 µg /1×106 cells (Human) |
| ELISA | 0.1–0.5 µg/mL |
Samples with a confirmed band (WB): human MCF-7 cells.
Recommended loading (WB): 20–40 µg of total protein per lane.
Conditions in the example images (WB): 5–20% gradient SDS-PAGE under reducing conditions, 30 µg lysate per lane, transfer to nitrocellulose membrane, blocking in 5% non-fat milk, primary antibody at 0.5 µg/mL overnight at 4 °C, HRP-conjugated secondary antibody at 1:5000, ECL detection.
Samples with a confirmed signal (flow cytometry): SH-SY5Y cells.
Immunogen
Recombinant human TSSK4 fragment (Asp5–Lys319), expressed in E. coli.
Reactivity Notes
The supplier lists reactivity with human. UniProt places testis-specific serine/threonine-protein kinase 4 in the cell projection. Tissue expression noted by UniProt (human): Expressed only in the testis. 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.
