|Detection of Human TTK by Western Blot. Western blot shows lysates of A431 human epithelial carcinoma cell line, Daudi human Burkitt's lymphoma cell line, and MCF‑7 human breast cancer cell line. PVDF Membrane was probed with 0.5 µg/mL of Sheep Anti-Human TTK Antigen Affinity-purified Polyclonal Antibody (Catalog # AF6028) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for TTK at approximately 100 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.|
|TTK in Human Squamous Cell Carcinoma. TTK was detected in immersion fixed paraffin-embedded sections of human squamous cell carcinoma using Sheep Anti-Human TTK Antigen Affinity-purified Polyclonal Antibody (Catalog # AF6028) at 15 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Sheep HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS019) and counterstained with hematoxylin (blue). Specific staining was localized to plasma membranes of epithelial cells. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.|
TTK (Dual specificity Thr/Tyr kinase; also PYT and hMps1) is a 97-105 kDa member of the Ser/Thr protein kinase family of enzymes. It is expressed in rapidly proliferating tissues and cell lines, and participates in cell cycle regulation. In particular, it directs chromosome alignment, centrosome duplication, and spindle assembly checkpoint formation. Via phosphorylation, TTK is known to regulate p53, CDCA8 and TACC2. Human TTK is 857 amino acids (aa) in length and contains one protein kinase domain (aa 525-791). Activation occurs following homodimerization and autophosphorylation on Thr675, Thr676 and Thr686.
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