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Recombinant Mouse CD4 His-tag Protein, CF

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Immobilized Recombinant Mouse CD4 His-tag Protein (10476-CD) supports the adhesion of NIH-3T3 mouse embryonic fibroblast cells. The ED50 for this effect is 2-12 μg/mL.
Immobilized Recombinant Mouse CD4 His-tag Protein (10476-CD) supports the adhesion of NIH-3T3 mouse embryonic fibroblast cells. The ED50 for this effect is 2-12 μg/mL.
2 μg/lane of Recombinant Mouse CD4 His-tag Protein (Catalog # 10476-CD) was resolved withSDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized byCoomassie® Blue staining, showing bands at kDa.

Product Details

Summary
Reactivity MuSpecies Glossary
Applications Bioactivity
Format
Carrier-Free

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Recombinant Mouse CD4 His-tag Protein, CF Summary

Details of Functionality
Measured by the ability of the immobilized protein to support the adhesion of NIH‑3T3 mouse embryonic fibroblast cells. The ED50 for this effect is 2-12 μg/mL.
Source
Mouse myeloma cell line, NS0-derived mouse CD4 protein
Lys27-Thr394, with a C-terminal 6-His tag
Accession #
N-terminal Sequence
Lys27
Protein/Peptide Type
Recombinant Proteins
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
Theoretical MW
42 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
50-60 kDa, under reducing conditions

Packaging, Storage & Formulations

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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 500 μg/mL in PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Mouse CD4 His-tag Protein, CF

  • CD_antigen: CD4
  • CD4 antigen (p55)
  • CD4 antigen
  • CD4 molecule
  • CD4 receptor
  • CD4
  • CD4mut
  • T-cell surface antigen T4/Leu-3
  • T-cell surface glycoprotein CD4

Background

CD4, also known as L3T4, T4, and W3/25, is an approximately 42-kDa type I transmembrane glycoprotein that is expressed predominantly on thymocytes and a subset of mature T lymphocytes. It is a standard phenotype marker for the identification of T cell populations (1). Mature mouse CD4 consists of a 394 amino acid (aa) extracellular region containing four immunoglobulin-like domains, a 22 aa transmembrane segment, and a 39 aa cytoplasmic domain (2). Within the ECD, mouse CD4 shares approximately 52% and 73% aa sequence identity with human and rat CD4, respectively. CD4 is expressed along with CD8 on double positive T cells during their development in the thymus. Either CD4 or CD8 expression is then lost, giving rise to single positive (SP) CD4+ or CD8+ mature T cells (3). CD4+ SP cells, also known as T helper cells, further differentiate into multiple subsets of CD4+ cells including Th1, Th2, Th17, Tfh, and Treg cells which regulate humoral and cellular immunity (4). CD4 is reexpressed on circulating CD8+ T cells upon activation and contributes to their cytotoxic effector activity (5). CD4 distribution between species cannot be assumed as demonstrated by its presence on macrophages in human and rat but not in mouse (6). CD4 binds directly to MHC class II molecules on antigen presenting cells (10). This interaction contributes to the formation of the immunological synapse which is focused around the TCR-MHC class II-antigenic peptide interaction (1, 11). Palmitoylation of two cysteine residues in the cytoplasmic tail of CD4 promotes the localization of CD4 in lipid rafts and its ability to augment TCR signaling via activation of the tyrosine kinase Lck (12). CD4 also functions as a chemotactic receptor for IL-16 and, in human, as a co-receptor for the gp120 surface glycoprotein of HIV-1 (7, 13-15).
  1. Vignali, D.A.A. (2010) J. Immunol. 184:5933.
  2. Maddon, P.J. et al. (1985) Cell 42:93.
  3. Alarcon, B. and H.M. van Santen (2010) Sci. Signal. 3:pe11.
  4. Wan, Y.Y. and R.A. Flavell (2009) Mol. Cell Biol. 1:20.
  5. Kitchen, S.G. et al. (2005) Proc. Natl. Acad. Sci. 102:3794.
  6. Crocker, P.R. et al. (1987) J. Exp. Med. 166:613.
  7. Biswas, P. et al. (2003) Blood 101:4452.
  8. Bernstein, H.B. et al. (2006) J. Immunol. 177:3669.
  9. Funke, I. et al. (1987) J. Exp. Med. 165:1230.
  10. Doyle, C. and J.L. Strominger (1987) Nature 330:256.
  11. Huppa, J.B. et al. (2010) Nature 463:963.
  12. Fragoso, R. et al. (2003) J. Immunol. 170:913.
  13. Cruikshank, W.W. et al. (1994) Proc. Natl. Acad. Sci. 91:5109.
  14. Klatzmann, D. et al. (1984) Nature 312:767.
  15. Dagleish, A.G. et al. (1984) Nature 312:763.

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Recombinant Mouse
CD4 His-tag Protein, ...
10476-CD
Recombinant Mouse CD4 His-tag Protein, CF
Species: Mu
Applications: Bioactivity

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FAQs for CD4 (10476-CD). (Showing 1 - 1 of 1 FAQ).

  1. I want to stain some T cell subsets (Th17 and Th1), do you have antibodies for that? I need for flow cytometer in sheep or goat.
    • Unfortunately, we have neither a CD4 antibody nor an IL-17 antibody that has been validated in sheep or goat, although if you would like to try one you would again be eligible for our Innovators Reward Program. Please contact us at innovators@novusbio.com with any questions regarding this program.

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