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. 2015 Aug;21(8):1454–1468. doi: 10.1261/rna.051383.115

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© 2015 Nord et al.; Published by Cold Spring Harbor Laboratory Press for the RNA Society

This article is distributed exclusively by the RNA Society for the first 12 months after the full-issue publication date (see http://rnajournal.cshlp.org/site/misc/terms.xhtml). After 12 months, it is available under a Creative Commons License (Attribution-NonCommercial 4.0 International), as described at http://creativecommons.org/licenses/by-nc/4.0/.

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FIGURE 2. — The position of the mutant amino acids of S5 (in orange) in relation to S4 (in yellow) and the central pseudoknot (helices 1 and 2; in cyan) and the neck helix (helix 28; in green) in 30S subunit (PDB ID 2AVY). The three amino acids altered in the S5 mutants described here (G87, G91, and A127) are shown in space-filling mode. The residues are located in a domain of S5 (in red) including a β sheet, composed of two β strands, and an adjoining strand. This domain is in close proximity to the central pseudoknot. The position of the spectinomycin-resistance mutant G28 is also shown in space-filling and is located near the region of h28 that is stacked on h2. The structure was modeled using VMD (Humphrey et al. 1996).