Shin-ya Nakai

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The EcoO109I restriction-modification system, which recognizes 5'-(A/G)GGNCC(C/T)-3', has been cloned, and contains convergently transcribed endonuclease and methylase. The role and action mechanism of the gene product, C.EcoO109I, of a small open reading frame located upstream of ecoO109IR were investigated in vivo and in vitro. The results of deletion(More)
In elucidating functionally important single-stranded loop regions derived mainly from three models in genomic hepatitis delta virus (HDV) ribozyme possessing self-cleavage activity, we have constructed several internal deletion variants of the HDV133 molecule (654-786 nt on genomic RNA) by oligonucleotide-directed mutagenesis. When self-cleavage activities(More)
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