| Field | Specification |
|---|---|
| Mfr No | |
| Clonality | |
| Host | |
| Immunogen | E. coli-derived zebrafish Polr2a recombinant protein (amino acids A1145-H1381) was used as the immunogen for the Zebrafish Polr2a antibody. |
| Isotype | |
| Product Type | |
| Purity | |
| Reactivity | |
| Storage | |
| Target | |
| UniProt # |
Overview
Zebrafish Polr2a Antibody / DNA-directed RNA polymerase subunit is a anti-POLR2A Rabbit antibody Polyclonal (rabbit origin) supplied in Antigen affinity purified format. Recommended for workflows such as Western blot (WB) with listed reactivity in Zebrafish.
Key elements and design rationale
- Target: POLR2A
- Antibody details: Rabbit, Polyclonal (rabbit origin), isotype Rabbit Ig
- Format: Antigen affinity purified
- Applications (as listed): WB
Biological background
In zebrafish, Polr2a is an ortholog of the human POLR2A gene. The zebrafish and human Polr2a proteins are highly conserved, indicating a similar functional role in transcriptional regulation across species. Both proteins are integral parts of the RNA polymerase II complex, ensuring the synthesis of mRNA and playing a vital role in cellular gene expression.
Polr2a is widely expressed across zebrafish tissues, including the brain, heart, and muscle, reflecting its essential function in general cellular processes and development. It is crucial for the transcription of protein-coding genes during early embryonic development, cell differentiation, and growth. The proper functioning of Polr2a is required for cell cycle progression, cellular maintenance, and response to environmental signals.
Zebrafish Polr2a has isoforms, which may exhibit variations in their expression patterns and functional properties. These isoforms could be related to developmental stages and tissue-specific functions, helping to fine-tune transcriptional regulation during embryogenesis and tissue-specific differentiation. The presence of isoforms may also suggest a level of functional specialization in response to cellular demands during development and environmental adaptation.
Given its role in transcription regulation, gene expression, and embryonic development, zebrafish Polr2a is a vital protein for studying gene regulation, transcriptional control, and developmental biology. It also provides a useful model for investigating transcriptional dysregulation in diseases such as cancer, neurodegenerative diseases, and genetic disorders related to gene expression abnormalities.
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.
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.
