Key Product Details

Species Reactivity

Human

Applications

Knockout Validated, Western Blot

Label

CoraFluor 1

Antibody Source

Polyclonal Sheep IgG
View all STING/TMEM173 Primary Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant human STING/TMEM173
Ala215-Ser379
Accession # Q86WV6

Specificity

Detects human STING/TMEM173 in direct ELISAs and Western blots.

Clonality

Polyclonal

Host

Sheep

Isotype

IgG

Description

CoraFluor(TM) 1 is a high performance terbium-based TR-FRET (Time-Resolved Fluorescence Resonance Energy Transfer) or TRF (Time-Resolved Fluorescence) donor for high throughput assay development. CoraFluor(TM) 1 absorbs UV light at approximately 340 nm, and emits at approximately 490 nm, 545 nm, 585 nm and 620 nm. It is compatible with common acceptor dyes that absorb at the emission wavelengths of CoraFluor(TM) 1. CoraFluor(TM) 1 can be used for the development of robust and scalable TR-FRET binding assays such as target engagement, ternary complex, protein-protein interaction and protein quantification assays.

CoraFluor(TM) 1, amine reactive

CoraFluor(TM) 1, thiol reactive

For more information, please see our CoraFluor(TM) TR-FRET technology flyer.

Scientific Data Images for STING/TMEM173 Antibody [CoraFluor™ 1]

STING/TMEM173 Antibody [CoraFluor™ 1]

Product Feature: CoraFluor Probes for TR-FRET

CoraFluor™ 1, amine reactive (Catalog:7920) and CoraFluor™ 2, amine reactive (Catalog # 7950) are terbium-based probes that have been developed for use as TR-FRET donors. They emit wavelengths compatible with commonly used fluorescent acceptor dyes such as BODIPY® (or BDY) and Janelia Fluor® dyes, FITC (Catalog # 5440), TMR and Cyanine 5 (Catalog # 5436). CoraFluor™ fluorescence is brighter and more stable in biological media than existing TR-FRET donors, leading to enhanced sensitivity and improved data generation. CoraFluor™ 1 exhibits excitation upon exposure to a 337 nm UV laser.

Applications for STING/TMEM173 Antibody [CoraFluor™ 1]

Application
Recommended Usage

Knockout Validated

Optimal dilutions of this antibody should be experimentally determined.

Western Blot

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Formulation

PBS

Preservative

No Preservative

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C in the dark. Do not freeze.

Background: STING/TMEM173

STING (stimulator of interferon genes) is encoded by the TMEM173 gene and is an adaptor molecule involved in the activation of innate immune responses to PAMPS (pathogen-associated molecular patterns) and DAMPS (damage-associated molecular patterns). STING specifically recognizes cytosolic DNA products derived from pathogens (e.g., cytomegalovirus, vaccinia virus, Listeria monocytogenes) or dead cells (1, 2). In the STING pathway, dsDNA derived from pathogens or damaged cells serves as a substrate for the enzyme cGAS (cyclic GMP-AMP synthase) which produces the second messenger cyclic GMP-AMP (cGAMP) from ATP and GTP (3, 4). Under steady-state conditions STING (theoretical molecular weight 42 kDa), a protein localizes to the ER membrane. Upon activation by dsDNA derived second messenger (cGAMP), STING translocates to the Golgi apparatus as a homodimer. Once STING has trafficked to the perinuclear region, it activates TANK binding kinase 1 (TBK1), interferon regulatory factor 3 (IRF3) and NF-kB leading to the production of cytokines (e.g., type I interferon) (2, 4). Mutations in the TMEM173 gene affecting STING expression are associated with the development of the auto-inflammatory disease SAVI (STING-associated vasculopathy with onset in infancy) (2). A novel SAVI dominant mutation in the TMEM173 human gene (V155M) leads to increased localization of STING to the Golgi and perinuclear region, indicative of an activated state (1). Hallmarks of SAVI, a rare inflammatory disease, include severe vasculitis in extremities and lung inflammation (7).

References

1. Patel, S., & Jin, L. (2019). TMEM173 variants and potential importance to human biology and disease. Genes and Immunity. https://doi.org/10.1038/s41435-018-0029-9

2. Jounai, N., Kobiyama, K., Takeshita, F., & Ishii, K. J. (2013). Recognition of damage-associated molecular patterns related to nucleic acids during inflammation and vaccination. Frontiers in Cellular and Infection Microbiology. https://doi.org/10.3389/fcimb.2012.00168

3. Xiao, T. S., & Fitzgerald, K. A. (2013). The cGAS-STING Pathway for DNA Sensing. Molecular Cell. https://doi.org/10.1016/j.molcel.2013.07.004

4. Kato, K., Omura, H., Ishitani, R., & Nureki, O. (2017). Cyclic GMP-AMP as an Endogenous Second Messenger in Innate Immune Signaling by Cytosolic DNA. Annual Review of Biochemistry. https://doi.org/10.1146/annurev-biochem-061516-044813

5. Crowl, J. T., Gray, E. E., Pestal, K., Volkman, H. E., & Stetson, D. B. (2017). Intracellular Nucleic Acid Detection in Autoimmunity. Annual Review of Immunology. https://doi.org/10.1146/annurev-immunol-051116-052331

Long Name

Stimulator of Interferon Genes Protein/Transmembrane protein 173

Alternate Names

ERIS, MITA, MPYS, NET23, TMEM173

Gene Symbol

STING1

Additional STING/TMEM173 Products

Product Documents for STING/TMEM173 Antibody [CoraFluor™ 1]

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Download SDS

Product Specific Notices for STING/TMEM173 Antibody [CoraFluor™ 1]

CoraFluor (TM) is a trademark of Bio-Techne Corp. Sold for research purposes only under agreement from Massachusetts General Hospital. US patent 2022/0025254

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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