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AntibodySystem
Recombinant Proteins
Recombinant Human ARNT/HIF1-beta Protein is a type of recombinant protein that plays a crucial role in regulating gene expression and cellular responses to hypoxia. This protein is a member of the basic helix-loop-helix (bHLH) transcription factor family and is also known as the Aryl hydrocarbon receptor nuclear translocator (ARNT) or hypoxia-inducible factor 1-beta (HIF1-beta). In this article, we will discuss the structure, activity, and application of this important protein.
The recombinant human ARNT/HIF1-beta protein is composed of 789 amino acids and has a molecular weight of approximately 90 kDa. It consists of several functional domains, including a bHLH domain, a PAS-A domain, a PAS-B domain, and a transactivation domain. The bHLH domain is responsible for DNA binding, while the PAS domains are involved in protein-protein interactions and sensing oxygen levels. The transactivation domain is responsible for activating target genes.
The main function of recombinant human ARNT/HIF1-beta protein is to regulate gene expression in response to hypoxia, or low oxygen levels. Under normoxic conditions, this protein forms a complex with another bHLH protein, HIF1-alpha, and binds to specific DNA sequences known as hypoxia response elements (HREs) in the promoter regions of target genes. This complex acts as a transcription factor, activating the expression of genes involved in cellular responses to hypoxia, such as angiogenesis, erythropoiesis, and glycolysis. In addition to its role in hypoxia, ARNT/HIF1-beta is also involved in other cellular processes, including circadian rhythm regulation, lipid metabolism, and immune response.
Recombinant human ARNT/HIF1-beta protein has a wide range of applications in both basic research and clinical settings. One of its main uses is in studying the molecular mechanisms of hypoxia and its effects on gene expression. Researchers can use recombinant ARNT/HIF1-beta protein to investigate the role of this protein in various cellular processes and its interaction with other proteins.
In addition, recombinant ARNT/HIF1-beta protein is also used in drug discovery and development. As hypoxia plays a crucial role in various diseases, such as cancer, cardiovascular diseases, and neurodegenerative disorders, targeting the ARNT/HIF1-beta pathway has been identified as a potential therapeutic strategy. Recombinant ARNT/HIF1-beta protein can be used in high-throughput screening assays to identify compounds that modulate its activity, thus providing potential drug candidates for further development.
Moreover, recombinant human ARNT/HIF1-beta protein is also used in diagnostic assays for various diseases. As this protein is involved in regulating the expression of genes related to hypoxia, it can be used as an antigen in immunoassays to detect the presence of hypoxia-related biomarkers in patient samples.
In summary, recombinant human ARNT/HIF1-beta protein is a crucial player in regulating gene expression and cellular responses to hypoxia. Its structure, activity, and applications make it an essential tool for studying hypoxia and its role in various diseases. With ongoing research and advancements in recombinant protein technology, the potential applications of ARNT/HIF1-beta protein are continuously expanding, making it a valuable protein in the field of molecular biology and medicine.
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