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PHB2 antibody (M03315) performs well in Flow Cytometry, IHC, 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 HepG2 cells using anti-REA/PHB2 antibody (M03315).
Overlay histogram showing HepG2 cells stained with M03315 (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 mouse anti- REA/PHB2 Antibody (M03315, 1μg/1x106 cells) for 30 min at 20°C. DyLight®488 conjugated goat anti-mouse IgG (BA1126, 5-10μg/1x106 cells) was used as secondary antibody for 30 minutes at 20°C. Isotype control antibody (Green line) was mouse IgG (1μg/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 HepG2 cells stained with M03315 (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 mouse anti- REA/PHB2 Antibody (M03315, 1μg/1x106 cells) for 30 min at 20°C. DyLight®488 conjugated goat anti-mouse IgG (BA1126, 5-10μg/1x106 cells) was used as secondary antibody for 30 minutes at 20°C. Isotype control antibody (Green line) was mouse IgG (1μg/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-REA/PHB2 Antibody Picoband® (monoclonal, 2B5)
PHB2 antibody
| Reactive Species | Host | Application |
|---|---|---|
| Human, Mouse, Rat | Mouse | Flow Cytometry, IHC, WB |
Tested Applications
PHB2 antibody was positively detected by WB in:
human Hela whole cell, human HEK293 whole cell, rat brain tissue, rat heart tissue, rat liver tissue, mouse brain tissue, mouse heart tissue, mouse liver tissue
Suggested blocking solution with 5% non-fat milk or BSA; (*)Recommended protein loading: 20-40 ug per lane
PHB2 antibody was positively detected by IHC in:
human gallbladder adenocarcinoma tissue, human ovarian serous adenocarcinoma tissue, human renal clear cell carcinoma tissue, human lung cancer tissue, mouse colon tissue, rat colon tissue
Use TE buffer pH 9.0 for antigen retrieval; (*) citrate buffer pH 6.0 is an alternative.
PHB2 antibody was positively detected by FC in:
HepG2 cell
Recommend Dilution
Application
Dilution
Species
Western blot
0.1-0.25μg/ml
Human, Mouse, Rat
Immunohistochemistry (Paraffin-embedded Section)
2-5μg/ml
Human, Mouse, Rat
Flow Cytometry (Fixed)
1-3μg/1x106 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), validated for fixed cells only. Not validated for FACS or surface flow cytometry using live cells.
Reactive Data
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WB
IHC
IF
Human
Tested
Tested
Recommend
Rat
Tested
Tested
Recommend
Mouse
Tested
Tested
Recommend
Rabbit
Predicted
Predicted
Predicted
Monkey
Predicted
Predicted
Predicted
Bovine
Predicted
Predicted
Predicted
Sheep
Predicted
Predicted
Predicted
Dog
Predicted
Predicted
Predicted
Product Information
Product Name
Anti-REA/PHB2 Antibody Picoband® (monoclonal, 2B5)
View all PHB2 Antibodies
View all PHB2 Antibodies
Form
Lyophilized
Uniprot
Gene ID
Storage & Handling
Store 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 freeze-thaw cycles.
Host
Mouse
Contents
Each vial contains 4mg Trehalose, 0.9mg NaCl and 0.2mg Na2HPO4.
Clonality
Monoclonal
Clone Number
2B5
Isotype
Mouse IgG2b
Immunogen
E.coli-derived human REA/PHB2 recombinant protein (Position: M1-K299).
Cross-Reactivity
No cross-reactivity with other proteins.
Reconstitution
Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
Observed Molecular Weight
32 kDa
Calculated Molecular Weight
33.3 kDa
Background of PHB2
PHB2 (Prohibitin 2), also called Repressor of Estrogen Receptor Activity (REA), is a protein that in humans is encoded by the PHB2 gene. The International Radiation Hybrid Mapping Consortium mapped the PHB2 gene to chromosome 12. Montano et al. (1999) showed that REA enhanced the potency of a dominant-negative ER-alpha mutant and antiestrogens as suppressors of ER-alpha activity in Chinese hamster ovary cells. When coexpressed with wildtype ER-alpha or ER-beta (ESR2), REA suppressed activation of a reporter gene in a dose-dependent manner. REA had no effect on reporter activity in the absence of liganded ER, and it had no effect on the transcriptional activities of other hormone receptors. Mutation analysis showed that an N-terminal domain and a central domain of REA were required for its repressor activity.
Cite This Product
Anti-REA/PHB2 Antibody Picoband® (monoclonal, 2B5) (Boster Biological Technology, Pleasanton CA, USA, Catalog # M03315)
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
Mouse
100%
High Homology
Rabbit
100%
High Homology
Monkey
100%
High Homology
Rat
100%
High Homology
Cow
99%
High Homology
Sheep
99%
High Homology
Dog
99%
High Homology
Zebrafish
81%
Moderate Homology
Drosophila
71%
Moderate Homology
Homology ≥ 90%High Homology
70% ≤ Homology < 90%Moderate Homology
Homology < 70%Low homology
Protocols
Western Blot protocol for PHB2 antibody
Immunohistochemistry (IHC) protocol for PHB2 antibody
Flow Cytometry (FC) protocol for PHB2 antibody
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Product Promise
We promise Anti-REA/PHB2 Antibody Picoband® (monoclonal, 2B5) performs excellently in relevant applications for Flow Cytometry, IHC, WB. If it doesn't perform as promised, we will refund the product. Learn more
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M03315
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 10, 2026