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Human TNF alpha, Recombinant Protein, eBioscience™

Recombinant Protein

784.00 SEK - 2725.00 SEK

Specifications

Accession Number P01375
Concentration 0.1mg/mL
Formulation PBS with no preservative; pH 7.2
Gene ID (Entrez) 7124
Molecular Weight (g/mol) 19kDa
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15597516
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Affymetrix eBioscience
14-8329-62
5μg This item is currently unavailable or has been discontinued.
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15207918
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14-8329-63
10μg This item is currently unavailable or has been discontinued.
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15245323
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14-8329-81
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Description

Description

Tumor Necrosis Factor-Alpha (TNF alpha) is a protein secreted by lipopolysaccharide-stimulated macrophages, and causes tumor necrosis when injected into tumor-bearing mice. TNF alpha is believed to mediate pathogenic shock and tissue injury associated with endotoxemia. TNF alpha exists as a multimer of two, three, or five noncovalently linked units, but shows a single ∽17kDa band following SDS-PAGE under non-reducing conditions. Description: Human TNF-alpha is a 17kDa factor produced by macrophages, monocytes, neutrophils, CD4^+ T cells and NK cells. A 26kDa form of TNF-alpha is expressed as a membrane bound molecule. TNF-alpha is cytolytic and plays an important role in immune regulation. Dimers and trimers of TNF-alpha have been observed. Applications Reported: Recombinant human TNF alpha is biologically active and can induce cytolysis of L929 mouse cell line in culture. Applications Tested: The ED50 of this protein, as measured by L929 cytotoxicity assay, is less than or equal to 80 pg/mL. This corresponds to a specific activity of greater than or equal to 1.3 x 10e7 Units/mg. Source: E. coli expressed amino acids Val 77-Leu 233 of human TNF alpha accession # HUMTNFAB, N-terminal His-tag. Bioactivity: The ED50 of this protein, as measured by L929 cytotoxicity assay, is less than or equal to 80 pg/mL. This corresponds to a specific activity of greater than or equal to 1.3 x 10e7 Units/mg. Endotoxin: Less than 0.01ng/ug cytokine as determined by the LAL assay. Purity: >95% as determined by SDS-PAGE. Molecular Weight: 19 kDa. Storage and handling: For best recovery, quick-spin vial prior to opening. Use in a sterile environment. Purity: Greater than 90%, as determined by SDS-PAGE. Aggregation: Less than 10%, as determined by HPLC. Filtration: 0.2μm post-manufacturing filtered.
Specifications

Specifications

P01375
PBS with no preservative; pH 7.2
19kDa
7.2
E. coli
RUO
Less than 0.01ng/μg cytokine as determined by the LAL assay.
TNF
Human
Hu
Recombinant
Recombinant
0.1mg/mL
7124
Human TNF alpha
SDS-PAGE
-80°C
E. coli expressed amino acids Val 77-Leu 233 of human TNF- alpha accession # HUMTNFAB, N-terminal His-tag
Human TNF alpha
The ED50 of this protein, as measured by L929 cytotoxicity assay, is less than or equal to 80pg/mL. This corresponds to a specific activity of greater than or equal to 1.3 x 107 Units/mg.
Unconjugated
E. coli
Liquid
Affinity chromatography
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SDS
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Documents

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For Research Use Only.