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Phylogenetic structure of RNase P RNA adapted from Massire et al. (1998) and http://www-ibmc.u-strasbg.fr/upr9002/westhof/. The oligonucleotide, m(CAGCCUACCCGG), is complementary to nt 289–300 (in boxes). Circles indicate sites of increased DEPC modification in the presence of m(CAGCCUACCCGG). Large boxes connected by dashed lines indicate tertiary interactions. (Reprinted from Journal of Molecular Biology, 279 773–793, Massire et al., © 1998 , with permission from Elsevier.)
