| Field | Specification |
|---|---|
| Mfr No | |
| Clonality | |
| Host | |
| Immunogen | E.coli-derived human STK33 recombinant protein (Position: K60-Q429) was used as the immunogen for the STK33 antibody. |
| Isotype | |
| Product Type | |
| Purity | |
| Reactivity | |
| Storage | |
| Target | |
| UniProt # |
Overview
STK33 Antibody / Serine/threonine-protein kinase 33 is a anti-STK33 Rabbit antibody Polyclonal (rabbit origin) supplied in Lyophilized format. Recommended for workflows such as Western blot (WB), Immunohistochemistry (IHC), Immunocytochemistry (ICC), Immunofluorescence (IF), Flow cytometry (FACS), ELISA with listed reactivity in Human, Mouse, Rat. Reported localization: Cytoplasm.
Key elements and design rationale
- Target: STK33
- Antibody details: Rabbit, Polyclonal (rabbit origin), isotype Rabbit IgG
- Format: Lyophilized
- Applications (as listed): WB, IHC, ICC/IF, FACS, ELISA
Biological background
Serine/threonine-protein kinase 33 belongs to the calcium/calmodulin-dependent kinase superfamily and contains a conserved catalytic domain typical of serine/threonine kinases. It localizes mainly in the cytoplasm but may associate with actin filaments and mitochondria under stress conditions. The STK33 antibody allows localization analysis to assess how cellular context affects its distribution and activity. In germ cells, STK33 plays a role in sperm flagellum assembly and maturation, supporting reproductive function.
Aberrant activation of Serine/threonine-protein kinase 33 has been associated with tumor progression in various cancers, including leukemia, glioma, and pancreatic carcinoma. The STK33 antibody supports research into these roles by enabling detection of protein levels in tumor tissues and evaluating the impact of genetic silencing or kinase inhibition. Some studies have suggested STK33 as a synthetic lethal partner with KRAS mutations, linking it to targeted cancer therapy exploration.
Beyond oncology, Serine/threonine-protein kinase 33 contributes to cytoskeletal organization and stress responses. It may phosphorylate structural proteins that stabilize actin networks and maintain cellular morphology. The STK33 antibody enables analysis of these cytoskeletal effects and supports biochemical assays aimed at identifying STK33 substrates and binding partners. Its expression has also been noted in cardiac and skeletal muscle, indicating a potential role in contractile function.
The STK33 antibody performs effectively in western blotting, immunofluorescence, and immunohistochemistry, displaying cytoplasmic staining consistent with its kinase activity.
Research relevance and current trends
- Connecting protein-level changes to phenotype using orthogonal readouts (genetic perturbation, transcriptomics, imaging).
- Considering isoforms and post-translational regulation when interpreting protein-level changes.
- Comparing results across species and model systems with matched controls.
Common research applications
- Western blotting: compare relative abundance and activation-state changes across conditions.
- Immunofluorescence: visualize subcellular distribution and cell-to-cell heterogeneity.
- Immunohistochemistry: map target signal in tissue context and compare regions/phenotypes.
- Flow cytometry: quantify target-positive populations and signal shifts at single-cell resolution.
- ELISA: support antibody-based quantification in assay formats where applicable.
Interpret changes in signal alongside appropriate controls and, when relevant, in parallel with total-protein or pathway readouts.
Notes for experimental interpretation
- Signal can reflect expression level, isoform composition, and post-translational state; interpret results in the context of your model system and stimuli.
- Species differences and sample matrices can influence epitope recognition; prioritize matched controls and orthogonal confirmation when feasible.
Antibody notes: Polyclonal antibodies recognize multiple epitopes, which can broaden the epitope footprint and may increase sensitivity in some contexts.
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.
