cGAS Mouse Monoclonal Antibody(C3946)
MSDS 
Key features and details
Mouse monoclonal antibody to cGAS
- Target:
- Source/Host:
- Reactivity:
- Clonality:
- Applications:
- Conjugation:
- Storage:
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Brand:
CAT.NO. : AMA03558
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Product Details
Background
Nucleotidyltransferase that catalyzes the formation of cyclic GMP-AMP (2',3'-cGAMP) from ATP and GTP and plays a key role in innate immunity from ATP and GTP and plays a key role in innate immunity . Catalysis involves both the formation of a 2',5' phosphodiester linkage at the GpA step and the formation of a 3',5' phosphodiester linkage at the ApG step, producing c[G(2',5')pA(3',5')p] . Acts as a key DNA sensor: directly binds double-stranded DNA (dsDNA), inducing the formation of liquid-like droplets in which CGAS is activated, leading to synthesis of 2',3'-cGAMP, a second messenger that binds to and activates STING1, thereby triggering type-I interferon production . Preferentially recognizes and binds curved long dsDNAs of a minimal length of 40 bp .
Application
To ensure optimal assay performance, AREX recommends conducting reagent titration tailored to each testing system for optimal detection results.
*Results are sample-specific. Please refer to your local assay conditions and test parameters for reference.
WB | 1:500 - 1:1000 |
Overview
Description | Mouse monoclonal antibody to cGAS |
Specificity | Recognizes endogenous levels of cGAS protein. |
Antibody Type | Primary antibody |
Imnunogen | KLH-conjugated synthetic peptide encompassing a sequence within the center region of human cGAS. The exact sequence is proprietary. |
Purification | This antibody is purified through a protein G column. |
Molecular Weight | Predicted: 58 kD; Observed: 59 kD |
Form/Buffer | Mouse IgG1 kappa. Liquid in PBS, pH 7.3, 30% glycerol, and 0.01% sodium azide. |
Alternative Names | C6orf150; Cyclic GMP-AMP synthase; cGAMP synthase; cGAS; h-cGAS; Mab-21 domain-containing protein 1 |
Gene Symbol | MB21D1 |
Entrez Gene | 115004(Human) |
SwissProt | Q8N884(Human) |
*Clone Number, Reactivity, Source/Host and Clonality can be found in the product name and Key Features section above.
Data
Western blot analysis of cGAS expression in Hela (A) whole cell lysates. (Predicted band size: 58 kD; Observed band size: 59 kD)
Storage
Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.
Note
For Research Use Only. Not for use in diagnostic procedures.
FAQs
What are the main types of research antibodies and how do they differ?
Research antibodies are mainly divided into monoclonal antibodies and polyclonal antibodies. Monoclonal antibodies typically offer higher specificity and better batch-to-batch consistency, while polyclonal antibodies often provide stronger affinity but may show more variation between batches. The choice depends on your specific experimental needs.
How can I tell if a research antibody is suitable for my experiment?
It is recommended to carefully review the product datasheet for validated applications, species reactivity, recommended dilutions, and published references. For new antibodies, performing a small-scale validation with positive control samples is usually helpful.
Can improper storage of research antibodies affect experimental results?
Yes. Antibodies are sensitive to temperature, repeated freeze-thaw cycles, and contamination. Improper storage may lead to reduced activity, increased background, or weaker signals. It is best to follow the storage instructions provided in the product datasheet.
Why doesn’t the recommended dilution in the datasheet work well in my experiment?
The recommended dilution is based on the supplier’s test conditions. Factors such as sample type, fixation method, and detection system in your lab can influence the optimal working concentration. Performing a dilution series optimization in your own system is often necessary.
What precautions should I take when using a newly purchased research antibody for the first time?
It is advisable to briefly centrifuge the antibody (especially concentrated or lyophilized ones), then perform a small-scale pilot experiment using the recommended conditions. Recording the batch number and usage date is also helpful for future tracking.
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