QUALITÉ & PURETÉAnimal Free?Animal-free — produced without animal-derived components to reduce contamination risk. Use in biomanufacturing and culture avoiding animal-origin material.Carrier Free?Carrier-free — supplied without added carrier protein/stabilizer. Use when carriers (e.g. BSA) would interfere with conjugation or sensitive assays.Azide Free?Azide-free — without sodium azide preservative. Use in conjugations, cell work, or assays where azide is toxic or inhibitory.His Tag?His tag grade — recombinant protein bearing a His tag for affinity purification/detection. Use to purify, immobilize, or detect the tagged protein.PBS Only?PBS-only formulation — supplied in phosphate-buffered saline with no other additives. Use when you need a clean PBS buffer free of stabilizers/carriers.≥95%(SDS-PAGE)
Animal Free,Carrier Free,Azide Free,His Tag,PBS Only,≥95%(SDS-PAGE) Animal Free,Azide Free,Carrier Free,His Tag,PBS Only pour les flux de travail chromatographiques et analytiques sensibles nécessitant une interférence de ligne de base minimale.
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Stockage & expédition
Store at -20°C,Avoid repeated freezing and thawing Expédition Ice chest + Ice pads. Consultez le COA spécifique au lot pour les spécifications exactes.
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Documents qualité
SDS, COA, fiche technique et fiche de spécifications disponibles au téléchargement. COA spécifique au lot accessible via la recherche par numéro de lot.
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Preuve documentaire
Cité dans 0 publications à comité de lecture couvrant la chromatographie, la synthèse organique et les réactions de couplage croisé.
Vue d’ensemble
Purity:>95%, by SDS-PAGE visualized with Coomassie® Blue Staining. Description： IL-28B (also named interferon-lambda 3, IFN-lambda 3), IL-28A (IFN-lambda 2) and IL-29 (IFN-lambda 1) are type III interferons that are class II cytokine receptor ligands. They are distantly related to members of the IL-10 family and type I IFN family. Human IL-28B cDNA encodes a 200 amino acid (aa) protein with a 25 aa signal peptide and a 175 aa mature protein that lacks N-glycosylation sites. Mature human IL-28B shares 64% and 75% aa sequence identity with mouse and canine IL-28B, respectively, and is active across species. Human IL-28B shares 94% and 69% aa identity with human IL-28A and IL‑29, respectively. Type III interferons are widely expressed, but are mainly produced by antigen presenting cells in response to viruses and double-stranded RNA that interact with Toll-like receptors or RIG-1 family helicases. They signal through a widely expressed receptor that is a heterodimer of the IL-10 receptor beta (IL-10 R beta ) and IL-28 receptor alpha (IL-28 R alpha ; also called IFN-lambda R1). Interaction of either type I or type III IFNs with their receptors activates similar pathways, including JAK tyrosine kinase activation, STAT phosphorylation and formation of the IFN-stimulated regulatory factor 3 (ISGF-3) transcription factor complex. Both type I and III IFNs induce anti‑viral activity and up‑regulate MHC class I antigen expression. Cell lines responsive to type III IFNs are also responsive to type I IFNs, but in general, higher concentrations of type III IFNs are needed for similar in vitro responses. In vivo, however, type III IFNs enhance levels of IFN-gamma in serum, suggesting that the robust anti-viral activity of type III IFNs may stem in part from activation of the immune system. Anti-proliferative and antitumor activity in vivo has also been shown for type III IFNs.
Spécifications
Product Name
Recombinant Human IL-28B/IFN-lambda 3 Protein, >95% (SDS-PAGE)
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute at 0.1 mg/mL in sterile distilled water. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.
Conditions de stockage de stockage
Store at -20°C,Avoid repeated freezing and thawing
Expédié en
Ice chest + Ice pads
Stabilité et stockage
Store at -20°C for 1 year. Avoid freeze/thaw cycle.
Images
Recombinant Human IL-28B/IFN-lambda 3 Protein (rp169633) - SDS-PAGE 3 μg/lane of Recombinant Human IL-28B/IFN-lambda 3 Protein was resolved with SDS-PAGE under reducing (R) conditions and visualized by Coomassie® Blue staining, showing a band at 18.4-24.1 kDa under reducing conditions.
Documentation
📋 Fiche de données de sécurité (FDS)
Document complet couvrant les dangers, la manipulation, le stockage et la conformité réglementaire.
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Dilution Calculator
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Reconstitution Calculator
Avis
Avis des clients
Foire aux questions
How should this product be stored?
Store at ?20 °C. Avoid repeated freeze–thaw cycles. Aliquot into single-use volumes before freezing.
What is the purity of this product, and how is it determined?
This product is supplied at ≥95% purity, determined by SDS-PAGE. Lot-specific values are stated on the Certificate of Analysis.
What does Animal Free mean?
Animal Free indicates that the material has been processed and tested for specialty industrial processing. Specifications focus on the impurities that affect performance in that application — for example, metal content for electronics, particle size for batteries, refractive index for optics, or moisture content for moisture-sensitive processes.
What does Carrier Free mean?
Carrier Free indicates that the material has been processed and tested for specialty industrial processing. Specifications focus on the impurities that affect performance in that application — for example, metal content for electronics, particle size for batteries, refractive index for optics, or moisture content for moisture-sensitive processes.
How is this product shipped?
This product ships in an insulated container with ice pads. Unpack on arrival and transfer it to the storage condition stated above.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.
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