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- Table of Contents
CD40 antibody (PB10051) performs well in ELISA, Flow Cytometry, IHC, WB and shows reactivity with Human.
- Validated for inter-lot consistency, specificity, and reproducibility
- Committed to quality since 1993
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Flow Cytometry analysis of human PBMC cells using anti-CD40/TNFRSF5 antibody (PB10051).
Overlay histogram showing human PBMC cells stained with PB10051 (Blue line). The cells were fixed with 4% paraformaldehyde and blocked with 10% normal goat serum. And then incubated with rabbit anti-CD40/TNFRSF5 Antibody (PB10051, 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 human PBMC cells stained with PB10051 (Blue line). The cells were fixed with 4% paraformaldehyde and blocked with 10% normal goat serum. And then incubated with rabbit anti-CD40/TNFRSF5 Antibody (PB10051, 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.
Designing a Western blot for CD40? The guide covers the expected band size, antibodies backed by real blot images, the controls to run alongside, and protocols taken from published papers.
Open the CD40 Western Blot GuideBundle Save
Anti-CD40 Antibody Picoband®
CD40 antibody
| Reactive Species | Host | Application |
|---|---|---|
| Human | Rabbit | ELISA, Flow Cytometry, IHC, WB |
Tested Applications
CD40 antibody was positively detected by WB in:
human Raji whole cell
Suggested blocking solution with 5% non-fat milk or BSA; (*)Recommended protein loading: 20-40 ug per lane
CD40 antibody was positively detected by IHC in:
human tonsil tissue
Use EDTA pH 8.0 for antigen retrieval; (*) citrate buffer pH 6.0 is an alternative.
CD40 antibody was positively detected by FC in:
human PBMC cell
Recommend Dilution
Application
Dilution
Species
Western blot
0.1-0.5μg/ml
Human
Immunohistochemistry(Paraffin-embedded Section)
2-5 μg/ml
Human
Flow Cytometry (Fixed)
1-3 μg/1x106 cells
Human
ELISA
0.1-0.5μg/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
IHC
IF
ELISA
FC
Human
Tested
Tested
Recommend
Recommend
Tested
Monkey
Predicted
Predicted
Predicted
Predicted
Predicted
Product Information
Product Name
Anti-CD40 Antibody Picoband®
View all CD40 Antibodies
View all CD40 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
Rabbit
Contents
Each vial contains 4 mg Trehalose, 0.9 mg NaCl, 0.2mg Na2HPO4, 0.05 mg NaN3.
Clonality
Polyclonal
Isotype
Rabbit IgG
Immunogen
E. coli-derived human CD40/TNFRSF5 recombinant protein (Position: E21-R193). Human CD40/TNFRSF5 shares 60.2% amino acid (aa) sequence identity with mouse CD40/TNFRSF5.
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
43 kDa
Calculated Molecular Weight
30.6 kDa
Background of CD40
CD40 is a cell surface receptor that is expressed on the surface of all mature B cells and also expressed on monocytes, dendritic cells, and thymic epithelium. It is a member of the tumor necrosis factor (TNF) receptor superfamily and is the receptor for CD40 ligand. CD40 ligand (CD40L, CD154, gp39, and TRAM) belongs to the TNF gene family and is expressed more widely than CD40 predominantly on activated CD4+ T cells. Activation of CD40 has also been shown to inhibit the growth of certain B cell lymphomas and to induce the death of transformed cells of mesenchymal or epithelial origin.
Cite This Product
Anti-CD40 Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # PB10051)
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
95%
High Homology
Dog
75%
Moderate Homology
Rabbit
72%
Moderate Homology
Sheep
72%
Moderate Homology
Cow
71%
Moderate Homology
Mouse
58%
Low homology
Rat
56%
Low homology
Zebrafish
31%
Low homology
Homology ≥ 90%High Homology
70% ≤ Homology < 90%Moderate Homology
Homology < 70%Low homology
Protocols
Western Blot protocol for CD40 antibody
Immunohistochemistry (IHC) protocol for CD40 antibody
Flow Cytometry (FC) protocol for CD40 antibody
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Product Promise
We promise Anti-CD40 Antibody Picoband® performs excellently in relevant applications for ELISA, Flow Cytometry, IHC, WB. If it doesn't perform as promised, we will refund the product. Learn more
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PB10051
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 29, 2026