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. Author manuscript; available in PMC: 2021 Apr 23.
Published in final edited form as: J Mol Biol. 2019 Mar 15;431(10):1940–1955. doi: 10.1016/j.jmb.2019.03.010

Figure 7.

Figure 7.

a) Schematic representation of the common core, the eukaryotic shell and the tentacles of the LSU of the Homo sapiens ribosome. G-quadruplexes are indicated on ES7 and ES27. The lengths of ES7HS (orange) and ES27HS (green) tentacles are roughly scaled to the size of the common core. The G-quadruplexes represented in tentacle b of ES27HS do not fall within the G≥3N1–7G≥3N1–7G≥3N1–7G≥3 motif and are speculative. The G-quadruplex region found in Helix 63 of ES27HS is not indicated here. b) Schematic representation of interactions between ribosomes via intermolecular G-quadruplexes. G-tracts on ES7 tentacle a from different ribosomes contribute to the formation of G-quadruplexes (an expanded view is presented on the right).