| Field | Specification |
|---|---|
| Target | |
| Alternative names | Cleavage and polyadenylation specificity factor subunit 6; Cleavage and polyadenylation specificity factor 68 kDa subunit; CPSF 68 kDa subunit; Cleavage factor Im complex 68 kDa subunit; CFIm68; Pre-mRNA cleavage factor Im 68 kDa subunit; Protein HPBRII-4/7; CPSF6 |
| UniProt # | |
| Host | |
| Clonality | |
| Isotype | |
| Reactivity | |
| Applications | |
| Immunogen | E.coli-derived human CPSF6 recombinant protein (Position: R50-Q176). |
| Molecular weight | |
| Purification | |
| Reconstitution | |
| Cellular localization | |
| Concentration | |
| Form | Lyophilized |
| Storage | |
| Catalog no. (Mfr.) | |
| Main SKU |
Product Overview
This rabbit polyclonal antibody detects cleavage and polyadenylation specificity factor subunit 6 (gene CPSF6) in human, monkey, mouse and rat samples and is validated for Western blot, IHC, ICC/IF and ELISA. The predicted molecular weight is 59.2 kDa, and the supplier reports an observed band at about 68 kDa.
CPSF6 (CFIm68) is a subunit of cleavage factor Im, which binds UGUA elements upstream of poly(A) sites in pre-mRNA. It activates 3′-end cleavage and polyadenylation and influences alternative poly(A) site choice, and it also interacts with the HIV-1 capsid, so it is studied in RNA processing and virology.
| Target | Cleavage and polyadenylation specificity factor subunit 6 (gene CPSF6; UniProt Q16630, human) |
|---|---|
| Host / Clonality / Isotype | Rabbit / Polyclonal / Rabbit IgG |
| Reactivity | Human, Monkey, Mouse, Rat |
| Form | Lyophilized |
| Formulation | Per vial: 4 mg trehalose; 0.9 mg NaCl; 0.2 mg Na2HPO4 |
| Calculated MW | 59.2 kDa |
| Observed MW | 68 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) |
|---|---|
| IHC (paraffin sections) | 2–5 µg/mL (Human, Mouse, Rat) |
| Immunocytochemistry / Immunofluorescence | 5 µg/mL (Human) |
| ELISA | 0.1–0.5 µg/mL |
Samples with a confirmed band (WB): human HeLa cells, human HEK293 cells, monkey COS-7 cells, human Jurkat 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 (IHC): human liver cancer tissue, human appendiceal adenocarcinoma tissue, human hashimoto thyroiditis tissue, human bladder adenosquamous carcinoma tissue, human laryngeal squamous cells carcinoma tissue, human lung cancer tissue, mouse brain tissue, rat brain tissue.
Recommended antigen retrieval: heat-mediated, in TE buffer (pH 9.0); citrate buffer (pH 6.0) can be used instead.
Conditions in the example images (IHC): heat-mediated antigen retrieval in EDTA buffer (pH 8.0).
Samples with confirmed staining (ICC/IF): MCF-7 cells.
Immunogen
Recombinant human CPSF6 fragment (Arg50–Gln176), expressed in E. coli.
Reactivity Notes
The supplier lists reactivity with human, monkey, mouse and rat. UniProt places cleavage and polyadenylation specificity factor subunit 6 in the nucleus, nucleus speckle and cytoplasm. 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.
