|Detection of Mouse and Human Bcl‑6 by Western Blot. Western blot shows lysates of NIH‑3T3 mouse embryonic fibroblast cell line, HeLa human cervical epithelial carcinoma cell line, and 293T human embryonic kidney cell line. PVDF membrane was probed with 0.1 µg/mL of Mouse Bcl‑6 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5046) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). A specific band was detected for Bcl‑6 at approximately 100 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.|
Bcl-6 (B-cell lymphoma protein 6; also ZFP51, LAZ-3 and Bcl-5) is an 80 kDa member of the Kruppel-like family of zinc finger proteins. It is expressed in germinal center B cells, neutrophils, monocytes, and immature dendritic cells, and serves as a potent transcriptional repressor of genes such as p53. Human Bcl-6 is 706 amino acids (aa) in length and contains an N-terminal BTB/POZ protein interaction domain (aa 32‑99) and a series of six C2H2-type C-terminal zinc finger domains that bind DNA (aa 518‑681). Centrally located are three PEST sequences (aa 336‑430) that undergo phosphorylation by MAPK. This increases the molecular weight of Bcl-6 to 97 kDa and induces its degradation. Human Bcl-6 is about 99% aa identical to mouse and canine Bcl-6.
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