Human CD46 Antibody

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Detection of Human CD46 by Western Blot.
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Product Details
Citations (5)
Supplemental Products

Human CD46 Antibody Summary

Species Reactivity
Detects human CD46 in direct ELISAs and Western blots.
Polyclonal Goat IgG
Antigen Affinity-purified
Mouse myeloma cell line NS0-derived recombinant human CD46
Accession # NP_722548
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.


Recommended Concentration
Western Blot
1 µg/mL
See below
Flow Cytometry
0.25 µg/106 cells
Human whole blood monocytes
1-15 µg/mL
See below
Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Western Blot Detection of Human CD46 antibody by Western Blot. View Larger

Detection of Human CD46 by Western Blot. Western blot shows lysate of human skin tissue. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human CD46 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2005) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for CD46 at approximately 50-70 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Immunohistochemistry CD46 antibody in Human Skin by Immunohistochemistry (IHC-P). View Larger

CD46 in Human Skin. CD46 was detected in immersion fixed paraffin-embedded sections of human skin using 1.7 µg/mL Goat Anti-Human CD46 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2005) overnight at 4 °C. Tissue was stained with the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Preparation and Storage

Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: CD46

CD46, also known as MCP (complement membrane cofactor protein), is a type I membrane protein that has cofactor activity for inactivation of complement components C3b and C4b by serum factor I. CD46 is widely distributed in white blood cells, platelets, epithelial cells and fibroblasts. At least fourteen different transcript variants encoding different isoforms have been reported for this gene.

Entrez Gene IDs
4179 (Human); 17221 (Mouse)
Alternate Names
AHUS2; CD46 antigen; CD46 molecule, complement regulatory protein; CD46; MCP; membrane cofactor protein (CD46, trophoblast-lymphocyte cross-reactive antigen); MIC10; TLXcomplement regulatory protein; trophoblast leucocyte common antigen; Trophoblast leukocyte common antigen; trophoblast-lymphocyte cross-reactive antigen

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Citations for Human CD46 Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

5 Citations: Showing 1 - 5
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  1. Structural basis for HCMV Pentamer receptor recognition and antibody neutralization
    Authors: M Kschonsak, MC Johnson, R Schelling, EM Green, L Rougé, H Ho, N Patel, C Kilic, E Kraft, CP Arthur, AL Rohou, L Comps-Agra, N Martinez-M, L Perez, J Payandeh, C Ciferri
    Science Advances, 2022-03-11;8(10):eabm2536.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  2. Using chemiluminescence imaging of cells (CLIC) for relative protein quantification
    Authors: J Fisher, OE Sørensen, AHA Abu-Humaid
    Sci Rep, 2020-10-26;10(1):18280.
    Species: Human
    Sample Types: Whole Cells
    Applications: ICC
  3. An Unbiased Screen for Human Cytomegalovirus Identifies Neuropilin-2 as a Central Viral Receptor.
    Authors: Martinez-Martin N, Marcandalli J, Huang C, Arthur C, Perotti M, Foglierini M, Ho H, Dosey A, Shriver S, Payandeh J, Leitner A, Lanzavecchia A, Perez L, Ciferri C
    Cell, 2018-07-26;174(5):1158-1171.e19.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  4. Preclinical safety, pharmacokinetics, pharmacodynamics, and biodistribution studies with Ad35K++ protein: a novel rituximab cotherapeutic
    Authors: M Richter, R Yumul, K Saydaminov, H Wang, M Gough, A Baldessari, R Cattaneo, F Lee, CH Wang, H Jang, A Astier, A Gopal, D Carter, A Lieber
    Mol Ther Methods Clin Dev, 2016-03-30;5(0):16013.
    Species: Mouse
    Sample Types: Serum
  5. Influence of coagulation factor x on in vitro and in vivo gene delivery by adenovirus (Ad) 5, Ad35, and chimeric Ad5/Ad35 vectors.
    Authors: Greig JA, Buckley SM, Waddington SN, Parker AL, Bhella D, Pink R, Rahim AA, Morita T, Nicklin SA, McVey JH, Baker AH
    Mol. Ther., 2009-07-14;17(10):1683-91.
    Species: Human
    Sample Types: Tissue Homogenates
    Applications: Western Blot


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Isotype Controls

Reconstitution Buffers

Secondary Antibodies

Goat IgG (H+L) Antibody


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