Recombinant Human DDX21 Protein, N-His

Introduction

Recombinant Human DDX21 Protein, also known as DEAD-box helicase 21, is a highly conserved protein that plays an essential role in RNA metabolism and innate immune response. It belongs to the DEAD-box RNA helicase family and is involved in various cellular processes such as RNA splicing, translation, and RNA transport. In this article, we will discuss the structure, activity, and application of this protein.

Structure of Recombinant Human DDX21 Protein

The Recombinant Human DDX21 Protein is composed of 727 amino acids with a molecular weight of approximately 81 kDa. It consists of two domains, an N-terminal DEAD-box domain and a C-terminal helicase domain. The DEAD-box domain contains the ATP-binding site, while the helicase domain contains the RNA-binding site. The interaction between these two domains allows the protein to unwind RNA molecules.

The crystal structure of Recombinant Human DDX21 Protein has been determined, revealing a complex arrangement of the two domains. The DEAD-box domain is composed of a central core surrounded by a helical domain, while the helicase domain contains six conserved motifs that are essential for ATP binding and RNA unwinding activity.

Activity of Recombinant Human DDX21 Protein

Recombinant Human DDX21 Protein is a multifunctional protein that is involved in various cellular processes. Its main activity is RNA unwinding, which is essential for RNA metabolism. The protein uses the energy from ATP hydrolysis to unwind double-stranded RNA, allowing for the formation of RNA-protein complexes and facilitating the translation and transport of RNA molecules.

In addition to its role in RNA metabolism, Recombinant Human DDX21 Protein also plays a crucial role in the innate immune response. It has been shown to interact with viral RNA and activate the production of interferon, a key player in the body’s defense against viral infections. This activity makes Recombinant Human DDX21 Protein a potential therapeutic target for antiviral drugs.

Application of Recombinant Human DDX21 Protein

The unique structure and activity of Recombinant Human DDX21 Protein make it a valuable tool in various research fields. Its ability to unwind RNA molecules has been utilized in studies involving RNA splicing, translation, and RNA transport. The protein’s role in the innate immune response has also made it a subject of interest in the development of antiviral therapies.

Recombinant Human DDX21 Protein is also used in diagnostic assays to detect the presence of viral infections. Its ability to bind and activate interferon production can be used to identify viral RNA in patient samples, providing a rapid and sensitive method for virus detection.

Furthermore, Recombinant Human DDX21 Protein has potential applications in the biotechnology industry. Its ability to unwind RNA molecules can be harnessed for the production of recombinant proteins, as it can facilitate the translation of mRNA into protein. This protein has also been shown to play a role in the regulation of gene expression, making it a potential target for gene therapy.

Conclusion

In summary, Recombinant Human DDX21 Protein is a highly conserved protein with a crucial role in RNA metabolism and innate immune response. Its unique structure and activity make it a valuable tool for research and potential applications in various fields. Further studies on this protein may lead to a better understanding of its functions and potential therapeutic uses.