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. 2007 Mar 13;35(6):2060–2073. doi: 10.1093/nar/gkm005

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© 2007 The Author(s)

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Secondary structure illustrations of (A) Bacillus subtilis (type B), (B) Staphylococcus aureus (type B) and (C) Escherichia coli (type A) RNase P RNA according to (7). The two G residues in L15, known (E. coli) or suspected (B. subtilis, S. aureus) to be involved in the interaction with tRNA 3′-CCA, are highlighted by gray ovals. (D) Proposed interaction of a canonical bacterial ptRNA (Thermus thermophilus ptRNA^Gly) with the L15 loop of B. subtilis RNase P RNA. Highlighted nucleotides mark the sites of mutation investigated in this study. The arrow indicates the canonical RNase P cleavage site (between nucleotide –1 and +1).