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SKU: PKSH033638_50μg-ES
Recombinant Human ISG15/G1P2 Protein (His Tag), 50 μg
Ubiquitin-Like Protein ISG15 (ISG15) is a ubiquitin-like protein that becomes conjugated to many cellular proteins upon activation by interferon-alpha and -beta. Several functions have been ascribed to the encoded protein, including chemotactic activity towards neutrophils, direction of ligated target proteins to intermediate filaments, cell-to-cell signaling, and antiviral activity during viral infections. While conjugates of this protein have been found to be noncovalently attached to intermediate filaments, this protein is sometimes secreted. ISG15 becomes conjugated to a diverse set of proteins after IFN-alpha/beta stimulation or microbial challenge. The functions or biochemical consequences ISG15 conjugation to proteins are not yet known, but it appears that this modification does not target proteins for proteasomal degradation. ISG15 shows specific chemotactic activity towards neutrophils and activates them to induce release of eosinophil chemotactic factors. Upon interferon treatment, ISG15 can be detected in both free and conjugated forms, and is secreted from monocytes and lymphocytes where it can function as a cytokine. In the cell, ISG15 co-localizes with intermediate filaments and ISGylation may modulate the JAK-STAT pathway or certain aspects of neurological disease.
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Product Specification
Basic Information
Brands:Elabscience
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Place of Origin:China
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Reconstitution:Not Applicable
Shipping:This product is provided as liquid. It is shipped at frozen temperature with blue ice/gel packs. Upon receipt, store it immediately at < - 20°C.
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Calculated Molecular Weight:18.1 kDa
Observed Molecular Weight:16 kDa
Purity: > 95 % as determined by reducing SDS-PAGE.
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Storage:Store at < -20°C, stable for 6 months. Please minimize freeze-thaw cycles.
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Calculated Molecular Weight:18.1 kDa
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Endotoxin: < 1.0 EU per μg of the protein as determined by the LAL method.
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Research Areas:Cell biology;epigenetics and nuclear signal
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Bio-activity:Not validated for activity
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Formulation:Supplied as a 0.2 μm filtered solution of 50mM HEPES, 100mM NaCl, pH 8.0.
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