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HSPA4 antibody (A03618-2) performs well in Flow Cytometry, IF, IHC, ICC, 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-HSPA4 antibody (A03618-2).
Overlay histogram showing 293T cells stained with A03618-2 (Blue line). To facilitate intracellular staining, cells were fixed with 4% paraformaldehyde and permeabilized with permeabilization buffer. The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-HSPA4 Antibody (A03618-2, 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 without incubation with primary antibody and secondary antibody (Red line) was used as a blank control.
Overlay histogram showing 293T cells stained with A03618-2 (Blue line). To facilitate intracellular staining, cells were fixed with 4% paraformaldehyde and permeabilized with permeabilization buffer. The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-HSPA4 Antibody (A03618-2, 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 without incubation with primary antibody and secondary antibody (Red line) was used as a blank control.
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Anti-HSPA4 Antibody Picoband®
HSPA4 antibody
| Reactive Species | Host | Application |
|---|---|---|
| Human, Mouse, Rat | Rabbit | Flow Cytometry, IF, IHC, ICC, WB |
Tested Applications
HSPA4 antibody was positively detected by WB in:
human 293T whole cell, human K562 whole cell, rat brain tissue, rat C6 whole cell, mouse brain tissue, mouse NIH/3T3 whole cell, mouse Raw2647 whole cell, human 293T whole cell, human K562 whole cell, rat brain tissue, rat C6 whole cell, mouse brain tissue, mouse NIH/3T3 whole cell, mouse Raw2647 whole cell
Suggested blocking solution with 5% non-fat milk or BSA; (*)Recommended protein loading: 20-40 ug per lane
HSPA4 antibody was positively detected by IHC in:
human colon cancer tissue, mouse ovary tissue
Use TE buffer pH 9.0 for antigen retrieval; (*) citrate buffer pH 6.0 is an alternative.
HSPA4 antibody was positively detected by FC in:
293T cell, MOLT-4 cell
Recommend Dilution
Application
Dilution
Species
Western blot
0.1-0.25 μg/ml
Human, Mouse, Rat
Immunohistochemistry(Paraffin-embedded Section)
2-5 μg/ml
Human, Mouse
Immunocytochemistry/Immunofluorescence
5 μg/ml
Human
Flow Cytometry (Fixed)
1-3 μg/1x6 cells
Human
* 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
IHC
ICC
IF
Human
Tested
Tested
Recommend
Recommend
Rat
Tested
Recommend
Recommend
Mouse
Tested
Tested
Recommend
Recommend
Monkey
Predicted
Predicted
Predicted
Predicted
Rabbit
Predicted
Predicted
Predicted
Predicted
Dog
Predicted
Predicted
Predicted
Predicted
Bovine
Predicted
Predicted
Predicted
Predicted
Sheep
Predicted
Predicted
Predicted
Predicted
Product Information
Product Name
Anti-HSPA4 Antibody Picoband®
View all HSPA4 Antibodies
View all HSPA4 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
Immunogen
A synthetic peptide corresponding to a sequence at the C-terminus of human HSPA4,
which shares 95.2% amino acid (aa) sequence identity with both mouse and rat HSPA4.
Reconstitution
Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.
Observed Molecular Weight
110 kDa
Calculated Molecular Weight
94.3 kDa
Background of HSPA4
Heat shock 70 kDa protein 4 is a protein that in humans is encoded by the HSPA4 gene. The heat shock protein HSPA4 (Apg-2, HSP70RY) is a member of the heat-shock protein 110 (Hsp 110) subfamily of Hsp70 heat-shock proteins. Apg-2 has chaperone ability similiar to Hsp110, and it plays a role under non-stress conditions. Apg-2 interacts with TJP1/ZO-1 and functions as a regulator of ZO-1-ZONAB signaling in epithelial cells in response to cellular stress.
Cite This Product
Anti-HSPA4 Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # A03618-2)
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
100%
High Homology
Mouse
95%
High Homology
Rat
95%
High Homology
Rabbit
95%
High Homology
Dog
95%
High Homology
Cow
90%
High Homology
Sheep
90%
High Homology
Zebrafish
67%
Low homology
Drosophila
24%
Low homology
Homology ≥ 90%High Homology
70% ≤ Homology < 90%Moderate Homology
Homology < 70%Low homology
Protocols
Western Blot protocol for HSPA4 antibody
Immunohistochemistry (IHC) protocol for HSPA4 antibody
Flow Cytometry (FC) protocol for HSPA4 antibody
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Product Promise
We promise Anti-HSPA4 Antibody Picoband® performs excellently in relevant applications for Flow Cytometry, IF, IHC, ICC, WB. If it doesn't perform as promised, we will refund the product. Learn more
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Order Product
A03618-2
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
Boster Guarantee
Guaranteed product quality
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 11, 2026