دوره 53، شماره 1 - ( 1-1374 )
جلد 53 شماره 1 صفحات 66-61 |
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Dousti M. Non-protein enzymes: RNA can act as an enzyme. Tehran Univ Med J 1995; 53 (1) :61-66
URL: http://tumj.tums.ac.ir/article-1-1707-fa.html
URL: http://tumj.tums.ac.ir/article-1-1707-fa.html
دوستی محمود، تکیان امیرحسین. آنزیم های غیر پروتئینی: RNA می تواند به عنوان آنزیم عمل کند. مجله دانشکده پزشکی، دانشگاه علوم پزشکی تهران. 1374; 53 (1) :61-66
چکیده: (15962 مشاهده)
Within the past few years, neat scheme has been overturned by the discovery that RNA can act as an enzyme. What does the starting finding of RNA enzymes imply? Thre first implication is that one can no longer assume a protein lies behind every catalytic activity of the cell. It now appears that several of the operations that tailor an RAN molecule into its final form are at least in part catalyzed by RNA. The finding that RNA can be a catalyst as well as an informational molecule suggests that when life originated, RNA may have functioned without DNA or proteins.
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