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- Table of Contents
RSPO4 antibody (A09583) performs well in ELISA, Flow Cytometry, WB and shows reactivity with Human, Mouse, Rat.
- Validated for inter-lot consistency, specificity, and reproducibility
- Committed to quality since 1993
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Flow Cytometry analysis of 293T cells using anti-RSPO4 antibody (A09583).
Overlay histogram showing 293T cells stained with A09583 (Blue line). The cells were fixed with 4% paraformaldehyde and blocked with 10% normal goat serum. And then incubated with rabbit anti-RSPO4 Antibody (A09583, 1 μg/1x106 cells) for 30 min at 20°C. DyLight®488 conjugated goat anti-rabbit IgG (BA1127, 5-10 μg/1x106 cells) was used as secondary antibody for 30 minutes at 20°C. Isotype control antibody (Green line) was rabbit IgG (1 μg/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control.
Overlay histogram showing 293T cells stained with A09583 (Blue line). The cells were fixed with 4% paraformaldehyde and blocked with 10% normal goat serum. And then incubated with rabbit anti-RSPO4 Antibody (A09583, 1 μg/1x106 cells) for 30 min at 20°C. DyLight®488 conjugated goat anti-rabbit IgG (BA1127, 5-10 μg/1x106 cells) was used as secondary antibody for 30 minutes at 20°C. Isotype control antibody (Green line) was rabbit IgG (1 μg/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control.
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Anti-RSPO4 Antibody Picoband®
RSPO4 antibody
| Reactive Species | Host | Application |
|---|---|---|
| Human, Mouse, Rat | Rabbit | ELISA, Flow Cytometry, WB |
Tested Applications
RSPO4 antibody was positively detected by WB in:
human U20S whole cell, human SH-SY5Y whole cell, human 293T whole cell, rat brain tissue, mouse brain tissue, mouse Neuro-2a whole cell
Suggested blocking solution with 5% non-fat milk or BSA; (*)Recommended protein loading: 20-40 ug per lane
RSPO4 antibody was positively detected by FC in:
293T cell
Recommend Dilution
Application
Dilution
Species
Western blot
0.25-0.5 μg/ml
Human, Mouse, Rat
Flow Cytometry (Fixed)
1-3 μg/1x106 cells
Human
ELISA
0.1-0.5 μg/ml
-
* It is recommended to optimize the amount of this reagent in each experimental system to achieve the best results.
Note: For flow cytometry (FCM), suitable for fixed cells only. Not suitable for FACS or surface flow cytometry using live cells.
Reactive Data
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WB
ELISA
Human
Tested
Recommend
Rat
Tested
Recommend
Mouse
Tested
Recommend
Monkey
Predicted
Predicted
Product Information
Product Name
Anti-RSPO4 Antibody Picoband®
View all RSPO4 Antibodies
View all RSPO4 Antibodies
Form
Lyophilized
Uniprot
Gene ID
Storage & Handling
At -20°C for one year from date of receipt.
After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months.
Avoid repeated freezing and thawing.
Host
Rabbit
Contents
Each vial contains 4 mg Trehalose, 0.9 mg NaCl, 0.2 mg Na2HPO4.
Clonality
Polyclonal
Isotype
IgG
Immunogen
E.coli-derived human RSPO4 recombinant protein (Position: R60-K206). Human RSPO4 shares 82.2% amino acid (aa) sequence identity with mouse RSPO4.
Cross-Reactivity
No cross reactivity with other proteins.
Reconstitution
Adding 0.2 ml of distilled water will yield a concentration of 500 µg/ml.
Observed Molecular Weight
26 kDa
Calculated Molecular Weight
26.2 kDa
Background of RSPO4
For chromosome 20, R-spondin 4 is a protein in humans that is encoded by the RSPO4 gene. This gene encodes a member of the R-spondin family of proteins that share a common domain organization consisting of a signal peptide, cysteine-rich/furin-like domain, thrombospondin domain and a C-terminal basic region. The encoded protein may be involved in activation of Wnt/beta-catenin signaling pathways. Mutations in this gene are associated with anonychia congenital. Alternate splicing results in multiple transcript variants.
Cite This Product
Anti-RSPO4 Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # A09583)
Antibody Homology Across Species
The results generated by this homology analysis tool for commonly used animal species are shown below. For unlisted species, please refer to the homology analysis between the immunogen sequence and the corresponding species.
A homology of ≥90% is recommended. Generally, higher homology indicates a greater potential for cross-species reactivity. However, protein expression levels may vary among different species, tissues, and cell types. Therefore, the homology analysis results are for reference only and do not guarantee antibody cross-reactivity or experimental performance.
Human
100%
High Homology
Monkey
93%
High Homology
Cow
89%
Moderate Homology
Sheep
88%
Moderate Homology
Dog
87%
Moderate Homology
Rat
82%
Moderate Homology
Mouse
82%
Moderate Homology
Zebrafish
51%
Low homology
Homology ≥ 90%High Homology
70% ≤ Homology < 90%Moderate Homology
Homology < 70%Low homology
Protocols
Western Blot protocol for RSPO4 antibody
Flow Cytometry (FC) protocol for RSPO4 antibody
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Product Promise
We promise Anti-RSPO4 Antibody Picoband® performs excellently in relevant applications for ELISA, Flow Cytometry, WB. If it doesn't perform as promised, we will refund the product. Learn more
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A09583
Buy one primary antibody get one 0.5ml HRP or Biotin secondary antibody for free.
*Sample sizes are prepared on demand and will take extra lead time. (cannot be conjugated)
$370.00
Troubleshooting
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We promise all of our products perform as described in datasheets.
This product is for Research Use Only. Not for use in diagnostic procedures.
Update date:
Oct 5, 2026