| Field | Specification |
|---|---|
| Target | |
| Alternative names | Pirin; Probable quercetin 2,3-dioxygenase PIR; Probable quercetinase; PIR |
| UniProt # | |
| Host | |
| Clonality | |
| Isotype | |
| Reactivity | |
| Applications | |
| Immunogen | E.coli-derived human PIR recombinant protein (Position: K5-Q266). Human PIR shares 96.6% and 95.8% amino acid (aa) sequence identity with mouse and rat PIR, respectively. |
| Molecular weight | |
| Purification | |
| Reconstitution | |
| Cellular localization | |
| Concentration | |
| Form | Lyophilized |
| Storage | |
| Catalog no. (Mfr.) | |
| Main SKU |
Product Overview
This rabbit polyclonal antibody recognizes pirin in human, monkey, mouse and rat samples and is validated for Western blot, ICC/IF, flow cytometry and ELISA. The predicted molecular weight is 32.1 kDa, and the supplier reports an observed band at about 36 kDa.
Pirin is a nuclear iron-containing protein of the cupin family that acts as a redox-sensitive coregulator of NF-κB, helping NF-κB proteins bind target DNA. It also shows quercetin dioxygenase activity in vitro and is studied in oxidative stress responses, myeloid differentiation and cancer cell migration.
| Target | Pirin (gene PIR; UniProt O00625, human) |
|---|---|
| Host / Clonality / Isotype | Rabbit / Polyclonal / IgG |
| Reactivity | Human, Monkey, Mouse, Rat |
| Form | Lyophilized |
| Formulation | Per vial: 4 mg trehalose; 0.9 mg NaCl; 0.2 mg Na2HPO4 |
| Calculated MW | 32.1 kDa |
| Observed MW | 36 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 | 0.1–0.25 µg/mL (Human, Monkey, Mouse, Rat) |
|---|---|
| Immunocytochemistry / Immunofluorescence | 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 HepG2 cells, human HeLa cells, monkey COS-7 cells, rat heart tissue, rat RH-35 cells, mouse NIH/3T3 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 0.25 µg/mL overnight at 4 °C, HRP-conjugated secondary antibody at 1:5000, ECL detection.
Samples with confirmed staining (ICC/IF): U2OS cells.
Samples with a confirmed signal (flow cytometry): HepG2 cells.
Immunogen
Recombinant human PIR fragment (Lys5–Gln266), expressed in E. coli. Sequence identity with the mouse and rat orthologs: 96.6% and 95.8%, respectively.
Reactivity Notes
The supplier lists reactivity with human, monkey, mouse and rat. UniProt places pirin in the nucleus and cytoplasm. Tissue expression noted by UniProt (human): Highly expressed in a subset of melanomas. 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.
