Anti-CD40 Antibody Picoband®

SKU:BHA21000957
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Boster Bio
Boster Bio
Details Products
Overview
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Anti-Cd40 antibody (Rabbit, polyclonal, Rabbit IgG). Recommended for ELISA, Flow Cytometry, IHC, ICC, WB applications. Reactivity: Human,Mouse. Commonly used in Oncology & Angiogenesis studies, including workflows such as Use antibody formats compatible with ELISA-style detection of the target (when applicable), Quantify the target-positive cells by flow cytometry in single-cell suspensions.
Target Cd40
Host Rabbit
Reactivity Human,Mouse
Isotype Rabbit IgG
Application(s) ELISA, Flow Cytometry, IHC, ICC, WB
Options selector
Catalog no. Size Conjugation
PB10052 100 ug/vial
Available Options

Select the variant that best fits your experiment.

  • Options:
    • 100 ug/vial / Carrier Free, Unconjugated
      Form: Lyophilized
      Storage: Store at -20℃ for one year from date of receipt. After reconstitution, at 4℃ for one month. It can also be aliquotted and stored frozen at -20℃ for six months. Avoid repeated freeze-thaw cycles.
      Applications: ELISA,Flow Cytometry,IHC,ICC,WB
      Application details: Immunohistochemistry (Paraffin-embedded Section), 0.5-1μg/ml
      Immunohistochemistry (Frozen Section), 0.5-1μg/ml

      Immunocytochemistry, 0.5-1μg/ml
      ELISA, 0.1-0.5μg/ml
      Western blot, 0.1-0.5μg/ml
      Flow Cytometry, 1-3μg/1x106 cells
      Contents: Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.
    • 100 ug/vial / APC, Biotin, Cy3, FITC, Fluoro488, Fluoro550, Fluoro594, Fluoro647, PE
      Form: Liquid
      Storage: At -20˚C for one year from date of receipt. Avoid repeated freezing and thawing.; At -20˚C for one year from date of receipt. Avoid repeated freezing and thawing. Protect from light.
      Applications: WB,IHC,ELISA; Flow Cytometry
      Application details: Western blot, 0.25-0.5μg/ml
      Immunohistochemistry (Paraffin-embedded Section), 2-5μg/ml
      ELISA, 0.1-0.5μg/ml
      Flow Cytometry, 1-3μg/1x106 cellsContents: Each vial contains 50% glycerol, 0.9% NaCl, 0.2% Na2HPO4, 0.02% NaN3.
    • 100 ug/vial / HRP
      Form: Liquid
      Storage: At -20˚C for one year from date of receipt. Avoid repeated freezing and thawing.
      Applications: WB,IHC,ELISA
      Application details: Western blot, 0.25-0.5μg/ml Immunohistochemistry (Paraffin-embedded Section), 2-5μg/ml
      ELISA, 0.1-0.5μg/ml
      Contents: Each vial contains 50% glycerol, 0.9% NaCl, 0.2% Na2HPO4.
  • Lead time: typically ships in ~2-3 business days; timing may vary by selected option.
  • Storage: varies by selected option; see option details under Options.
  • Shipping: cold-chain shipment (typically with ice packs).
  • Upon receipt: store at the recommended temperature as soon as possible.
  • Sales terms and conditions: Please review prior to ordering.
Field Specification
Mfr No PB10052
Alternative Names Tumor necrosis factor receptor superfamily member 5;B-cell surface antigen CD40;Bp50;CD40L receptor;CD40;Cd40;Tnfrsf5;
Cellular Localization Isoform I: Cell membrane; Single-pass type I membrane protein.
Clonality
  • Polyclonal
Concentration Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.
Host Rabbit
Immunogen E. coli-derived mouse CD40/TNFRSF5 recombinant protein (Position: L20-R193). Mouse CD40/TNFRSF5 shares 60.7% amino acid (aa) sequence identity with human CD40/TNFRSF5.
Isotype
  • Rabbit IgG
Molecular Weight 40 kDa
Product Type
  • Antibodies
  • Primary Antibodies
Reactivity
  • Human
  • Mouse
Reconstitution Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
Target Cd40
UniProt # P27512

Overview

This antibody is intended for detection of Cd40 (Tumor necrosis factor receptor superfamily member 5) in biological samples using common immunoassay formats. It is typically selected based on target identity, species reactivity, clonality/clone information, and detection modality.

Vendor notes: Boster Bio Anti-CD40 Antibody Picoband® catalog # PB10052. Tested in ELISA, Flow Cytometry, IHC, ICC, WB applications. This antibody reacts with Human, Mouse. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.

Key elements and design rationale

  • Antibody format: Rabbit Polyclonal Rabbit IgG
  • Immunogen / epitope context: E. coli-derived mouse CD40/TNFRSF5 recombinant protein (Position: L20-R193). Mouse CD40/TNFRSF5 shares 60.7% amino acid (aa) sequence identity with human CD40/TNFRSF5. (reported region: L20-R193).
  • Molecular weight context: reported MW: 40 kDa; calculated MW: 32093 MW
  • Reactivity: Human,Mouse
  • Applications: ELISA, Flow Cytometry, IHC, ICC, WB

As a polyclonal antibody, the reagent recognizes multiple epitopes on the target, which can improve detection robustness but may increase sensitivity to sample-dependent epitope changes.

Biological background

Tumor necrosis factor receptor superfamily member 5; Tumor necrosis factor receptor superfamily member 5. Carbonic anhydrase III (CA3) is an enzyme that in humans is encoded by the CA3 gene. CA3 is a member of a multigene family (at least six separate genes are known) that encode carbonic anhydrase isozymes. The gene spans 10.3 kb and contains seven exons and six introns. Using a cDNA clone of the CA3 gene in the study of human-rodent hybrids, the gene was mapped to chromosome 8 which carries a cluster of CA genes. The expression of the CA3 gene is strictly tissue specific and present at high levels in skeletal muscle and much lower levels in cardiac and smooth muscle. A proportion of carriers of Duchenne muscle dystrophy have a higher CA3 level than normal. Functional note: Receptor for TNFSF5/CD40LG. Transduces TRAF6- and MAP3K8-mediated signals that activate ERK in macrophages and B cells, leading to induction of immunoglobulin secretion. . Reported localization: Isoform I: Cell membrane; Single-pass type I membrane protein. Expression/tissue context: B-cells and in primary carcinomas.

Research relevance and current trends

  • Adaptive Immunity: Researchers commonly examine how Cd40 (Tumor necrosis factor receptor superfamily member 5) relates to this theme using model systems and orthogonal readouts.
  • Atherosclerosis: Researchers commonly examine how Cd40 (Tumor necrosis factor receptor superfamily member 5) relates to this theme using model systems and orthogonal readouts.
  • B Cells: Researchers commonly examine how Cd40 (Tumor necrosis factor receptor superfamily member 5) relates to this theme using model systems and orthogonal readouts.

Common research applications

  • Western blotting: compare relative Cd40 (Tumor necrosis factor receptor superfamily member 5) levels across conditions; band patterns may reflect isoforms and processing.
  • IHC/IHC-F: assess spatial distribution of Cd40 (Tumor necrosis factor receptor superfamily member 5) across tissue regions and cell types using matched controls.
  • IF/ICC: evaluate subcellular localization and co-localization patterns; signal can depend on fixation/permeabilization and epitope accessibility.
  • Flow cytometry: quantify target-positive populations and shifts in expression; gating strategy and background staining controls are essential.
  • ELISA-compatible use: when applicable, interpret signal as relative abundance across sample sets with consistent handling and dilution strategy.

Notes for experimental interpretation

  • Specificity notes: No cross reactivity with other proteins.
  • Cross-reactivity: No cross-reactivity with other proteins
  • Isoforms and PTMs: Apparent size and signal patterns can differ across splice isoforms, proteolytic processing, and post-translational modifications.
  • Controls: Include an isotype control (as relevant), no-primary control for imaging, and orthogonal validation such as KD/KO samples when available.

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.

Our lab used your anti-CD40 antibody for IHC on left coronary artery in a previous experiment. I am using human, and We intend to use the antibody for Flow Cytometry next. We are interested in examining left coronary artery as well as kidney in our next experiment. Could you please give me some suggestion on which antibody would work the best for Flow Cytometry?
I viewed the website and datasheets of our anti-CD40 antibody and I see that PB10052 has been validated on human in both IHC and Flow Cytometry. Thus PB10052 should work for your application. Our Boster satisfaction guarantee will cover this product for Flow Cytometry in human even if the specific tissue type has not been validated. We do have a comprehensive range of products for Flow Cytometry detection and you can check out our website bosterbio.com to find out more information about them.
We have observed staining in human ovary. What should we do? Is anti-CD40 antibody supposed to stain ovary positively?
From what I have seen in literature ovary does express CD40. From what I have seen in Uniprot.org, CD40 is expressed in left coronary artery, kidney, ovary, leukocyte, lymphoma urinary bladder carcinoma, among other tissues. Regarding which tissues have CD40 expression, here are a few articles citing expression in various tissues: Lymphoma, and Urinary bladder carcinoma, Pubmed ID: 2463309, 15340161

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