This is a preview. Log in through your library . Abstract Locus control regions (LCRs) are regulatory DNA sequences that are situated many kilobases away from their cognate promoters. LCRs protect ...
Most large RNAs achieve their active, native structures only as complexes with one or more cofactor proteins. By varying the Mg 2+ concentration, the catalytic core of the bI5 group I intron RNA can ...
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