GRADE & PURITYCarrier Free?Carrier-free — supplied without added carrier protein/stabilizer. Use when carriers (e.g. BSA) would interfere with conjugation or sensitive assays.His Tag?His tag grade — recombinant protein bearing a His tag for affinity purification/detection. Use to purify, immobilize, or detect the tagged protein.≥90%(SDS-PAGE)expressed in E. coli; See COA
Carrier Free,His Tag,≥90%(SDS-PAGE),expressed in E. coli; See COA Carrier Free,His Tag for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping
Store at -20°C,Avoid repeated freezing and thawing Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
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Quality documents
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Carrier Free, His Tag, ≥90%(SDS-PAGE), expressed in E. coli; See COA
Biochemical and Physiological Mechanisms
IL-29, also known interferon-lambda 1 (IFN lambda 1), along with IL-28A (IFN lambda 2), IL-28B (IFN lambda 3) and IFN lambda 4, collectively comprise the type III subset of IFNs. IFN lambda s are class II cytokine receptor ligands distantly related to bot
25.2 kDa, under reducing conditions; 19.5 kDa, under non-reducing conditions.
Molecule Type
Protein
Storage and Shipping
Concentration
expressed in E. coli; See COA
Reconstitution
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.
Storage
Store at -20°C,Avoid repeated freezing and thawing
Shipped In
Ice chest + Ice pads
Stability And Storage
Store at -20℃ for 6 months. Upon reconstitution, it is recommended to aliquot. Avoid freeze/thaw cycle.
Images
Recombinant Human IL-29/IFN-lambda 1 Protein (rp169632) - SDS-PAGE
3 μg/lane of Recombinant Human IL-29/IFN-lambda 1 Protein was resolved with SDS-PAGE under reducing (R) and non-reducing (N) conditions and visualized by Coomassie® Blue staining, showing a band at 25.2 kDa under reducing conditions and 19.5 kDa under non-reducing conditions.
Human IL‑29 (IFN‑λ1), a flexible secreted class II cytokine with exposed loop regions, is prone to N/C‑terminal truncation by host proteases, yielding a minor band 3–5 kDa smaller than the mature protein (PMID: 20712453).
Documentation
📋 Safety Data Sheet (SDS)
Comprehensive hazard, handling, storage, and regulatory compliance document.
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