Detection of Human SHARPIN by Western Blot. Western blot shows lysates of U2OS human osteosarcoma cell line and THP‑1 human acute monocytic leukemia cell line. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human SHARPIN Monoclonal Antibody (Catalog # MAB8100) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for SHARPIN at approximately 43 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
Reconstitute at 0.5 mg/mL in sterile PBS.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
SHARPIN (Shank-associated RH Domain-interacting Protein), also called SIPL1 (Shank Interacting Protein-like 1) is an essential component of the cytosolic LUBAC ubiquitin conjugation complex. It conjugates linear ubiquitin chains to IKK gamma and activates NFk beta, thus regulating immune and inflammatory responses. SHARPIN is widely expressed, with upregulated expression in multiple tumor types. Human SHARPIN is a 387 amino acid (aa) protein containing self-association, SHANK1 interaction, and zinc finger domains. A 326 aa isoform diverges after aa 308 and lacks the zinc finger domain. Within aa 27-182, human SHARPIN shares 67% and 66% aa sequence identity with mouse and rat SHARPIN, respectively.
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