BIK in Human Lymphoma. BIK was detected in immersion fixed paraffin-embedded sections of human lymphoma tissue using Sheep Anti-Human BIK Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5474) at 10 µg/mL overnight at 4 °C. Before incubation with the primary antibody tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using the Anti-Sheep HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS019) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Detection of Human BIK by Western Blot. Western blot shows lysates of Ramos human Burkitt's lymphoma cell line. PVDF membrane was probed with 1 µg/mL of Sheep Anti-Human BIK Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5474) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for BIK at approximately 22 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 2.
Preparation and Storage
Reconstitute at 0.2 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.
Bcl-2-interacting killer (BIK; also known as NBK, BP4 and BIP-1) is a 19 kDa member of the BH3-only subfamily, Bcl-2 family of proteins. It is widely expressed, and serves as an initiator of cell death. It apparently participates in apoptosis by sequestering antiapoptotic cytoplasmic proteins of the Bcl-2 family and in autophagy by regulating cytosolic calcium levels. Human BIK-1 is 160 amino acids (aa) in length. It contains one BH3 domain (aa 57‑74), a “death segment” (aa 121‑134) and a transmembrane domain (aa 136‑156). BIK is likely to embed in both outer mitochondrial and ER membranes. Over amino acids 1‑135, human BIK shares only 45% aa identity with mouse BIK.
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