Recombinant Human Interleukin 18 (interferon-gamma-inducing factor)

• Cat.No.: IL18-742H
• Product Overview: Recombinant human IL18 was expressed in E. coli and purifed by conventional chromatography, after refolding of the isolated inclusion bodies in a renaturation buffer. MW: 18.3 kDa.

Specification

• Species: Human
• Source: E.coli
• Tag: Non
• Description: IL18 is an activator of NK cells and a co-inducer of Th1 cytokines. IL-18 is produced from Kupffer cells, activated macrophages, keratinocytes, intestinal epithelial cells, osteoblasts, adrenal cortex cells and murine diencephalon.
• Form: Liquid. In Phosphate buffer saline (pH 7.4).
• Molecular Mass: 18.3 kDa (158aa), confirmed by MALDI-TOF.
• AA Sequence: MYFGKLESKL SVIRNLNDQV LFIDQGNRPL FEDMTDSDCR DNAPRTIFII SMYKDSQPRG MAVTISVKCE KISTLSCENK IISFKEMNPP DNIKDTKSDI IFFQRSVPGH DNKMQFESSS YEGYFLACEK ERDLFKLILK KEDELGDRSI MFTVQNED
• Endotoxin: < 1.0 eu per 1 ug of protein (determined by lal
• Purity: >95% by SDS - PAGE
• Applications: SDS-PAGE
• Storage: Can be stored at 4°C short term (1-2 weeks). For long term storage, aliquot and store at -20°C or -70°C. Avoid repeated freezing and thawing cycles.
• Concentration: 1 mg/ml (determined by Bradford assay)

Gene Information

• Gene Name: IL18 interleukin 18 (interferon-gamma-inducing factor) [ Homo sapiens ]
• Official Symbol: IL18
• Synonyms: IL18; interleukin 18 (interferon-gamma-inducing factor); interleukin-18; IGIF; IL 1g; IL 18; IL1F4; IL-1 gamma; iboctadekin; interleukin-1 gamma; IFN-gamma-inducing factor; IL-18; IL-1g; MGC12320
• Gene ID: 3606
• mRNA Refseq: NM_001243211
• Protein Refseq: NP_001230140
• MIM: 600953
• UniProt ID: Q14116
• Chromosome Location: 11q22.2-q22.3
• Pathway: African trypanosomiasis, organism-specific biosystem; African trypanosomiasis, conserved biosystem; Cellular roles of Anthrax toxin, organism-specific biosystem; Cytokine Signaling in Immune system, organism-specific biosystem; Cytokine-cytokine receptor interaction, organism-specific biosystem; Cytokine-cytokine receptor interaction, conserved biosystem; Cytosolic DNA-sensing pathway, organism-specific biosystem
• Function: cytokine activity; cytokine activity

Q&As

What are the difference between IL18-01HG, IL18-153HG and IL18-500H. (sequence, biological activity, QC, or what do you propose to buy)

IL18-01HG: Sequence: a.a.37-193 Endotoxin: <20 EU/mg Bio-activity: >5.0 x 10^4 IU/mg QC: Activity test, SDS-PAGE, LAL, SEC-HPLC IL18-153HG: Protein length: Tyr37-Asp193 AA Sequence: YFGKLESKLS VIRNLNDQVL FIDQGNRPLF EDMTDSDCRD NAPRTIFIISMYKDSQPRGM AVTISVKCEK ISTLSCENKI ISFKEMNPPD NIKDTKSDIIFFQRSVPGHD NKMQFESSSY EGYFLACEKE RDLFKLILKK EDELGDRSIMFTVQNEDVD Bio-activity: 1.0*10^6IU Measured by its ability to induce IFN-gamma secretion by KG‐1 human acute myelogenous leukemia cells in the presence of TNF-alpha. QC: Activity test, SDS-PAGE, LAL IL18-500H Recombinant Human IL18 will be custom produced upon order. All the sequence, purity, activity, and QC procedures will be optional and decided by our customer.