Mouse Anti-IL12B scFv-Fc Chimera (VS-0425-FY122) (CAT#: VS-0425-FY122)
Anti-IL12B scFv-Fc is a recombinant antibody targeting the p40 subunit (IL12B) of both Interleukin-12 (IL-12) and Interleukin-23 (IL-23), key cytokines involved in Th1 and Th17 immune responses. The scFv provides specific binding to IL12B, while the Fc region enhances stability and potential for dimerization. This format is being developed to block the activity of both IL-12 and IL-23, aiming to modulate inflammation in autoimmune and inflammatory diseases.
We specialize in custom recombinant antibody production, offering seamless execution from provided sequences to high-quality antibody deliverables, ensuring optimal yield and purity.

(Immunohistochemical staining of human tonsil shows strong cytoplasmic positivity in a subset of lymphoid cells.)
* Image credit: Human Protein Atlas v21.proteinatlas.org/images/40970/ihc_selected.jpg

(Neuropil Staining: High Intensity: Strong Quantity:>75% Location: Cytoplasmic/ membranous)
* Image credit: Human Protein Atlas v21.proteinatlas.org/images/40970/86793_B_7_5.jpg

(Glandular cells Staining: Low Intensity: Moderate Quantity: <25% Location: Cytoplasmic/ membranous)
* Image credit: Human Protein Atlas v21.proteinatlas.org/images/40970/86793_A_7_3.jpg

(Hepatocytes Staining: Low Intensity: Moderate Quantity: <25% Location: Cytoplasmic/ membranous)
* Image credit: Human Protein Atlas v21.proteinatlas.org/images/40970/86793_A_7_4.jpg

(Cell lines ordered by descending RNA expression order)
* Image credit: Human Protein Atlas v21.proteinatlas.org/ENSG00000113302-IL12B
Specifications
- Immunogen
- The immunogen was recombinant purified human IL-12 p40.
- Host Species
- Mouse
- Type
- Mouse IgG1, scFv-Fc
- Specificity
- Human IL12B
- Species Reactivity
- Human, Cynomolgus monkey
- Applications
- Inhibition
- Related Disease
- Acute and chronic inflammatory disease
Product Property
- Purity
- >95% as determined by SDS-PAGE
- Concentration
- Please refer to the vial label for the specific concentration.
- Storage
- Centrifuge briefly prior to opening vial. Store at +4°C short term (1-2 weeks). Aliquot and store at -20°C long term. Avoid repeated freeze/thaw cycles.
- Shipping
- Ice packs
Applications
- Application Notes
- The potency of the purifed monoclonal antibody in inhibiting interleukin-12 (IL-12) activity was assessed using the phytohaemagglutinin (PHA) blast assay. The half-maximal inhibit concentration (IC₅₀) values derived from this assay indicated that human IL-12 was inhibited at an IC₅₀ of approximately 0.31 nM, while the corresponding value for cynomolgus monkey IL-12 was approximately 1.4 nM.
The optimal dilution concentration is determined by the experiment.
Target
- Alternative Names
- Interleukin 12B
- Gene ID
- 3593
- UniProt ID
- P29460
- Long Name
- Interleukin 12B
- Sequence Similarities
- Belongs to the IL-12B family.
- Cellular Localization
- Secreted
- Post Translation Modifications
- Known to be C-mannosylated in the recombinant protein; it is not yet known for sure if the wild-type protein is also modified.
Glycosylation at Asn135, Asn222, and Trp319
Modification sites at PhosphoSitePlus
Glycosylation from GlyGen 3 sites, 1 C-linked glycan (1 site)
- Protein Refseq
- NP_002178.2
- Function
- Cytokine that can act as a growth factor for activated T and NK cells, enhance the lytic activity of NK/lymphokine-activated killer cells, and stimulate the production of IFN-gamma by resting PBMC. IL12B_HUMAN,P29460
Associates with IL23A to form the IL-23 interleukin, a heterodimeric cytokine which functions in innate and adaptive immunity.
IL-23 may constitute with IL-17 an acute response to infection in peripheral tissues.
IL-23 binds to a heterodimeric receptor complex composed of IL12RB1 and IL23R, activates the Jak-Stat signaling cascade, stimulates memory rather than naive T-cells and promotes production of pro-inflammatory cytokines.
IL-23 induces autoimmune inflammation and thus may be responsible for autoimmune inflammatory diseases and may be important for tumorigenesis.
Related Resources
Product Notes
This is a product of Creative Biolabs' Hi-Affi™ recombinant antibody portfolio, which has several benefits including:
• Increased sensitivity
• Confirmed specificity
• High repeatability
• Excellent batch-to-batch consistency
• Sustainable supply
• Animal-free production
See more details about Hi-Affi™ recombinant antibody benefits.
Downloads
Download resources about recombinant antibody development and antibody engineering to boost your research.
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For research use only. Not intended for any clinical use. No products from Creative Biolabs may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative Biolabs.
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