GRADE & PURITYAnimal 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.Bioactive?Bioactive grade — verified to retain biological activity in functional assays. Use when the molecule must be functionally active, not just pure.ActiBioPure™?ActiBioPure™ — Aladdin's premier line for bioactive and recombinant products. Use when both high purity and preserved biological activity are required.Azide Free?Azide-free — without sodium azide preservative. Use in conjugations, cell work, or assays where azide is toxic or inhibitory.High Performance?High-performance grade with optimized purity and performance characteristics. Use for sensitive analyses where ordinary grades fall short.≥95%(SDS-PAGE&HPLC)
Expression System
E.coli
Accession #
Q14116
Protein Tag
No tag
Expression system
E. coli
Endotoxin Concentration
<10 EU/mg
Bioactivity
1、Measured by its ability to induce IFN-gamma secretion by KG‑1 human acute myelogenous leukemia cells in the presence of TNF-alpha. The ED50 for this effect is typically 5 - 30 ng/mL. 2、Recombinant Human IL-18 Protein (rp147444) stimulates cell proliferation of the CTLL-2 mouse cytotoxic T cell line. The ED50 for this effect is typically 0.27 ng/mL.
Animal Free, Carrier Free, Bioactive, ActiBioPure™, Azide Free, High Performance, ≥95%(SDS-PAGE&HPLC) ActiBioPure™,Animal Free,Azide Free,Bioactive,Carrier Free,High Performance 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.
Overview
Purity Function >95% (SDS-PAGE&SEC-HPLC) Endotoxin level <10 EU/mg Interleukin-18 (IL-18) is a cytokine that belongs to the IL-1 superfamily and is produced by macrophages and other cells. IL-18 works by binding to the interleukin-18 receptor, and together with IL-12 it induces cell-mediated immunity following infection with microbial products like lipopolysaccharide (LPS). After stimulation with IL-18, natural killer (NK) cells and certain T cells release another important cytokine called interferon-γ (IFN-γ) or type II interferon that plays an important role in activating the macrophages or other cells. The combination of this cytokine and IL12 has been shown to inhibit IL-4 dependent IgE and IgG1 production, and enhance IgG2a production in B cells. IL-18 binding protein (IL18BP) can specifically interact with this cytokine, and thus negatively regulate its biological activity.
Specifications
Product Name
Recombinant Human IL-18 Protein, >95% (SDS-PAGE&SEC-HPLC)
1、Measured by its ability to induce IFN-gamma secretion by KG‑1 human acute myelogenous leukemia cells in the presence of TNF-alpha. The ED50 for this effect is typically 5 - 30 ng/mL. 2、Recombinant Human IL-18 Protein (rp147444) stimulates cell proliferation of the CTLL-2 mouse cytotoxic T cell line. The ED50 for this effect is typically 0.27 ng/mL.
15.4 kDa, under reducing conditions; 15.4 kDa, under non-reducing conditions.
Molecule Type
Protein
Storage and Shipping
Shape
Lyophilized
Reconstitution
It is recommended that sterile water be added to the vial to prepare a stock solution of 0.25mg/mL.
Storage
Store at -20°C,Avoid repeated freezing and thawing
Shipped In
Ice chest + Ice pads
Stability And Storage
Samples are stable for twelve months from date of receipt at -20℃ to -80℃. Upon receipt, it is recommended to aliquot. Avoid freeze/thaw cycle.
Images
Recombinant Human IL-18 Protein (rp147444) - Protein Bioactivity Measured by its ability to induce IFN-gamma secretion by KG‑1 human acute myelogenous leukemia cells in the presence of TNF-alpha. The ED₅₀ for this effect is typically 5 - 30 ng/mL.
Recombinant Human IL-18 Protein (rp147444) - Protein Bioactivity Recombinant Human IL-18 Protein (rp147444) stimulates cell proliferation of the CTLL-2 mouse cytotoxic T cell line. The ED₅₀ for this effect is typically 0.27 ng/mL.
Recombinant Human IL-18 Protein (rp147444) - SDS-PAGE 3 μg/lane of Recombinant Human IL-18 Protein was resolved with SDS-PAGE under reducing (R) and non-reducing (N) conditions and visualized by Coomassie® Blue staining, showing a band at 15.4 kDa.
Documentation
📋 Safety Data Sheet (SDS)
Comprehensive hazard, handling, storage, and regulatory compliance document.
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