Recombinant Human BUB1 Protein, N-His from ProteoGenix; catalogue ARO-P11255; research use only.
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Recombinant Human BUB1 Protein, also known as BUB1B, is a highly conserved serine/threonine kinase that plays a crucial role in cell cycle regulation and mitosis. It is a key component of the spindle assembly checkpoint, which ensures the accurate distribution of chromosomes during cell division. BUB1 is expressed in all tissues and is essential for proper cell division and maintenance of genomic stability. In this article, we will explore the structure, activity, and applications of Recombinant Human BUB1 Protein.
Recombinant Human BUB1 Protein is a 116 kDa protein consisting of 1050 amino acids. It contains an N-terminal kinase domain, a central region with multiple repeats of a conserved motif known as the KEN box, and a C-terminal domain. The kinase domain is responsible for BUB1’s enzymatic activity, while the KEN box is involved in the regulation of protein degradation. The C-terminal domain is important for protein-protein interactions and is essential for BUB1’s function in the spindle assembly checkpoint.
Recombinant Human BUB1 Protein is a serine/threonine kinase that phosphorylates several target proteins involved in cell cycle regulation. It is a key component of the spindle assembly checkpoint, which monitors the attachment of chromosomes to the mitotic spindle. BUB1 acts as a sensor of kinetochore-microtubule attachment and prevents premature separation of sister chromatids during mitosis. It does so by phosphorylating the kinetochore protein, BUBR1, and the checkpoint kinase, CHK1, which in turn inhibits the anaphase-promoting complex/cyclosome (APC/C) and delays the onset of anaphase.
In addition to its role in the spindle assembly checkpoint, BUB1 also plays a role in the DNA damage response. It is involved in the activation of the tumor suppressor protein, p53, and the repair of DNA double-strand breaks. BUB1 also regulates the mitotic exit network, a signaling pathway that controls the exit from mitosis.
Recombinant Human BUB1 Protein has a wide range of applications in both basic research and drug discovery. It is commonly used as an antigen in the production of antibodies for research purposes. BUB1 antibodies are valuable tools for studying the function and regulation of this protein in various cellular processes.
BUB1 is also a potential therapeutic target for cancer treatment. Its overexpression has been observed in many types of cancer, and it has been linked to tumor progression and drug resistance. Inhibitors of BUB1 kinase activity have shown promising results in preclinical studies and are currently being evaluated in clinical trials for the treatment of various cancers.
Furthermore, BUB1 has been identified as a potential biomarker for cancer diagnosis and prognosis. Its expression levels have been correlated with tumor grade, stage, and patient survival in several types of cancer. Measurement of BUB1 levels in patient samples could aid in early detection and personalized treatment of cancer.
Recombinant Human BUB1 Protein is a crucial player in cell cycle regulation and mitosis. Its structure and activity make it an essential component of the spindle assembly checkpoint and the DNA damage response. This protein has various applications in research and drug discovery, and its potential as a therapeutic target and biomarker for cancer is currently being explored. Further studies on Recombinant Human BUB1 Protein will provide a better understanding of its function and potential for clinical use.
ProteoGenix catalogue number ARO-P11255. For research use only.
Host: Escherichia coli (E.coli); Expression system: Prokaryotic expression; Molecular weight: 20.25 kDa; Fragment: Met1-His151; Buffer: Lyophilized from a solution in PBS pH 7.4, 0.02% NLS, 1mM EDTA, 4% Trehalose, 1% Mannitol..
Available configurations: 50ug, 100ug, 1mg.
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