Human/Feline IL‑23 p19 Alexa Fluor® 350-conjugated Antibody
R&D Systems, part of Bio-Techne | Catalog # AF6238U
Conjugate
Catalog #
Key Product Details
Species Reactivity
Human, Feline
Applications
Western Blot
Label
Alexa Fluor 350 (Excitation = 346 nm, Emission = 442 nm)
Antibody Source
Polyclonal Sheep IgG
Product Specifications
Immunogen
E. coli-derived recombinant feline IL-23 p19
Arg26-Arg185
Accession # ABB01676
Arg26-Arg185
Accession # ABB01676
Specificity
Detects human and feline IL-23 p19 in direct ELISAs and Western blots. In direct ELISAs, approximately 60% cross-reactivity with recombinant canine IL-23 p19 is observed and approximately 30% cross-reactivity with recombinant mouse IL-23 p19 is observed.
Clonality
Polyclonal
Host
Sheep
Isotype
IgG
Applications for Human/Feline IL‑23 p19 Alexa Fluor® 350-conjugated Antibody
Application
Recommended Usage
Western Blot
Optimal dilution of this antibody should be experimentally determined.
Formulation, Preparation, and Storage
Purification
Antigen Affinity-purified
Formulation
Supplied 0.2mg/ml in 1X PBS with RDF1 and 0.09% Sodium Azide
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied
Background: IL-23
IL-23 p19 (Interleukin 23 p19; also IL-23 alpha) is an 18-20 kDa (estimated) member of the IL-6 superfamily of molecules. It is disulfide-bonded to p40 to form IL-23. IL-23 is secreted by immune-related cell types such as keratinocytes, dendritic cells, macrophages, microglia and monocytes, often following TLR stimulation. It appears to drive Th17 cell development by inhibiting T-bet and FoxP3 production, and to reduce IL-12-mediated IFN-gamma production by CD4+, CD8+ and NK cells. Based on human, mature feline IL-23 p19 is 160 amino acids (aa) in length. It is a alpha-helical molecule that utilizes Cys80 to form an interchain disulfide bond with IL-12 p40. IL-23 p19 does not appear to be released unless dimerized to p40. There are no potential N-linked glycosylation sites on p19. Mature feline IL-23 p19 (aa 26-185) shares 87% aa identity with human IL-23 p19.
Long Name
Interleukin 23
Alternate Names
IL-23 p19/IL-12 p40, IL-23p19/IL-12p40, IL23, SGRF
Gene Symbol
IL23A
UniProt
Additional IL-23 Products
Product Specific Notices for Human/Feline IL‑23 p19 Alexa Fluor® 350-conjugated Antibody
This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.
For research use only
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