| Field | Specification |
|---|---|
| Target | |
| Alternative names | Peptidyl-prolyl cis-trans isomerase FKBP4; PPIase FKBP4; 51 kDa FK506-binding protein; FKBP51; 52 kDa FK506-binding protein; 52 kDa FKBP; FKBP-52; 59 kDa immunophilin; p59; FK506-binding protein 4; FKBP-4; FKBP59; HSP-binding immunophilin; HBI; Immunophilin FKBP52; Rotamase; FKBP4; FKBP52 |
| UniProt # | |
| Host | |
| Clonality | |
| Isotype | |
| Reactivity | |
| Applications | |
| Immunogen | A synthetic peptide corresponding to a sequence at the C-terminus of human FKBP52/FKBP4, which shares 94.7% amino acid (aa) sequence identity with mouse and rat FKBP4. |
| Molecular weight | |
| Purification | |
| Reconstitution | |
| Cellular localization | |
| Concentration | |
| Form | Lyophilized |
| Storage | |
| Catalog no. (Mfr.) | |
| Main SKU |
Product Overview
This rabbit polyclonal antibody detects peptidyl-prolyl cis-trans isomerase FKBP4 in human, mouse and rat samples and is validated for Western blot. The predicted molecular weight is 51.8 kDa, and the supplier reports an observed band at about 56–59 kDa.
FKBP52 (FKBP4) is an immunophilin with peptidyl-prolyl isomerase and co-chaperone activity. It binds HSP90 in complexes with steroid hormone receptors and promotes their activity and movement toward the nucleus. FKBP52 is studied in steroid hormone signaling, reproduction and protein folding.
| Target | Peptidyl-prolyl cis-trans isomerase FKBP4 (gene FKBP4; UniProt Q02790, human) |
|---|---|
| Host / Clonality / Isotype | Rabbit / Polyclonal / Rabbit IgG |
| Reactivity | Human, Mouse, Rat |
| Form | Lyophilized |
| Formulation | Per vial: 4 mg trehalose; 0.9 mg NaCl; 0.2 mg Na2HPO4 |
| Calculated MW | 51.8 kDa |
| Observed MW | 56–59 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, Mouse, Rat) |
|---|
Samples with a confirmed band (WB): human PC-3 cells, human HeLa cells, human Jurkat cells, human MCF-7 cells, rat brain tissue, rat testis tissue, mouse brain tissue, mouse testis tissue.
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.
Immunogen
Synthetic peptide from the C-terminal region of human FKBP52/FKBP4. Sequence identity with the mouse and rat orthologs: 94.7%.
Reactivity Notes
The supplier lists reactivity with human, mouse and rat. UniProt places peptidyl-prolyl cis-trans isomerase FKBP4 in the cytoplasm, mitochondrion, nucleus and cell projection. Tissue expression noted by UniProt (human): Widely expressed. 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.
