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Recombinant Human CD69 Protein, CF

Catalog #: 8468-CD
1 Citation Datasheet / COA / SDS
Catalog # Availability Size / Price Qty
8468-CD-025
Recombinant Human CD69 Protein Binding Activity
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Product Details
Citations (1)
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Summary Product Datasheets Carrier Free Data Images Reconstitution Calculator Background Related Research Areas

Recombinant Human CD69 Protein, CF Summary

Product Specifications

Purity
>95%, by SDS-PAGE with silver staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its binding ability in a functional ELISA. When Recombinant Human CD69 is coated at  5 µg/mL (100 µL/well), the concentration of Recombinant Human Galectin-1 (Catalog # 1152‑GA) that produces a 50% optimal binding response is 0.4-2 µg/mL.
Source
Mouse myeloma cell line, NS0-derived human CD69 protein
Gly64-Lys199 with an N-terminal 9-His tag
Accession #
Q07108
N-terminal Sequence
Analysis
His
Structure / Form
Disulfide-linked homodimer
Predicted Molecular Mass
17 kDa
SDS-PAGE
20-30 kDa, reducing conditions

Product Datasheets

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8468-CD

Product Datasheet
COA
SDS

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

8468-CD

Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 250 μg/mL in PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Scientific Data

Binding Activity Recombinant Human CD69 Protein Binding Activity View Larger

When Recombinant Human CD69 is coated at 5 µg/mL (100 µL/well), the concentration of Recombinant Human Galectin-1 Recombinant Human Galectin-1 (Catalog # 1152-GA) that produces a 50% optimal binding response is 0.4-2 µg/mL.

SDS-PAGE Recombinant Human CD69 Protein SDS-PAGE View Larger

1 μg/lane of Recombinant Human CD69 was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by silver staining, showing R bands at 22.0, 27.9 kDa and NR bands at 39.3, 42.1, 47.2 kDa.

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.

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Background: CD69

CD69, also known as CLEC2C, is a type 2 transmembrane glycoprotein in the C-type lectin family. It plays roles in immune cell trafficking, inflammation, T cell memory, and humoral immune responses (1). Mature human CD69 consists of a 40 amino acid (aa) cytoplasmic domain, a 21 aa transmembrane segment, and a 138 aa extracellular domain with one C-type lectin domain (CTL) (2-4). Within the ECD, human CD69 shares 57% aa sequence identity with mouse and rat CD69. CD69 is expressed on the cell surface as an approximately 60 kDa disulfide-linked homodimer (3-5). It is found on CD4+ T cells, CD8+ T cells, NK cells, NKT cells, gamma delta cells dendritic cells (DC) and is up-regulated on activated T cells and DC (6-8). Ligation of CD69 on DC induces IL-2 production, leading to T cell proliferation (6). CD69 is important for the homing of CD4+ T cells and plasmablasts to the bone marrow but inhibits the migration of dermal DC to draining lymph nodes (7, 9). It supports the expression of multiple chemokines and chemokine receptors but suppresses the expression of others (10, 11). It associates with and negatively regulates S1P1 expression on DC and CD4+ T cells, resulting in a decreased chemotactic response to S1P (7, 12, 13). S1P1 similarly inhibits the cell surface expression of CD69 (12). The direct interaction of CD69 with Galectin-1 contributes to the ability of CD69 to limit Th17 mediated inflamamtion while supporting the differentiation of regulatory T cells (8, 10, 13-16). In various disease models, CD69 has been shown to have both enhancing and inhibitory effects on Th17 and Th2 cell mediated inflammation (8, 10, 11, 13, 16, 17).

References
  1. Gonzalez-Amaro, R. et al. (2013) Trends Mol. Med. 19:625.
  2. Ziegler, S.F. et al. (1993) Eur. J. Immunol. 23:1643.
  3. Hamann, J. et al. (1993) J. Immunol. 150:4920.
  4. Lopez-Cabrera, M. et al. (1993) J. Exp. Med. 178:537.
  5. Bieber, T. et al. (1992) J. Invest. Dermatol. 98:771.
  6. Alari-Pahissa, E. et al. (2012) J. Leukoc. Biol. 92:145.
  7. Lamana, A. et al. (2011) J. Invest. Dermatol. 131:1503.
  8. Radulovic, K. et al. (2012) J. Immunol. 188:2001.
  9. Shinoda, K. et al. (2012) Proc. Natl. Acad. Sci. USA 109:7409.
  10. Radulovic, K. et al. (2013) PLoS ONE 8:e65413.
  11. Hasegawa, A. et al. (2013) PLoS ONE 8:e65494.
  12. Shiow, L.R. et al. (2006) Nature 440:540.
  13. Martin, P. et al. (2010) J. Allergy Clin. Immunol. 126:355.
  14. Martin, P. et al. (2010) Mol. Cell. Biol. 30:4877.
  15. de la Fuente, H. et al. (2014) Mol. Cell. Biol. 34:2479.
  16. Cruz-Adalia, A. et al. (2010) Circulation 122:1396.
  17. Miki-Hosokawa, T. et al. (2009) J. Immunol. 183:8203.
Entrez Gene IDs
969 (Human); 12515 (Mouse)
Alternate Names
activation inducer molecule (AIM/CD69); Activation inducer molecule; AIM; BL-AC/P26; CD69 antigen (p60, early T-cell activation antigen); CD69 antigen; CD69 molecule; CD69; CLEC2CC-type lectin domain family 2 member C; C-type lectin domain family 2, member C; EA1; EA-1; early activation antigen CD69; early lymphocyte activation antigen; Early T-cell activation antigen p60; GP32/28; Leu23; Leukocyte surface antigen Leu-23; MLR-3; p60

Citation for Recombinant Human CD69 Protein, CF

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.

1 Citation: Showing 1 - 1

  1. Discovery, optimization and biodistribution of an Affibody molecule for imaging of CD69
    Authors: J Persson, E Puuvuori, B Zhang, I Velikyan, O Åberg, M Müller, PÅ Nygren, S Ståhl, O Korsgren, O Eriksson, J Löfblom
    Scientific Reports, 2021-09-27;11(1):19151.
    Species: Human
    Sample Types: Recombinant Proteins
    Applications: Surface Plasmon Resonance

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