临床糖尿病杂志

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Genomic Requirement in the 9-21 DNA Enzymes Catalytic Core

Mondal Tapadyati

The 9-21 DNA enzymes, derived from the hammerhead ribozyme, has emerged as a powerful tool in genetic engineering and therapeutic interventions. The catalytic core of this enzyme plays a crucial role in its function, and understanding its genomic requirements is essential for maximizing its potential. The catalytic domain, consisting of conserved cytosine, guanine, and adenosine residues, forms the catalytic triad responsible for cleavage. The substrate recognition domain interacts with target RNA sequences, facilitating enzyme-substrate complex formation. The primary genomic requirement for the 9-21 DNA enzyme is the presence of target RNA sequences containing specific cleavage sites. The genomic context surrounding these sites, including secondary RNA structures and nearby stable RNA motifs, influences enzyme efficiency and specificity. Future advancements in genomic engineering techniques, such as integrating the 9-21 DNA enzyme with CRISPR-Cas systems, hold promise for targeted RNA manipulation and disease treatment. Understanding the genomic requirement of the 9-21 DNA enzymes’ catalytic core paves the way for its broader application in genetic and therapeutic research.