| 摘要 |
<p>A nucleic acid enzyme showing an allosteric RNA-cleaving activity on a target RNA; an expression vector containing a DNA encoding this nucleic acid enzyme; a process for producing the above nucleic acid enzyme characterized by effecting transcription onto RNA with the use as a template of the above expression vector containing the DNA encoding the nucleic acid enzyme; medicinal compositions containing as the active ingredient the above nucleic acid enzyme or the expression vector containing the DNA encoding the nucleic acid enzyme; and a method of specifically cleaving the target RNA by using the nucleic acid enzyme.</p> |
