Extended Data Fig. 5: Electron density map for (GU)12-NMM.
From: An atypical RNA quadruplex marks RNAs as vectors for gene silencing

a, Electron density map for (GU)12-NMM contoured at 1 r.m.s.d. b, Electron density for NMM. c, Electron density for the G1 quartet. d, Electron density for the G3 quartet. e, Electron density for the G5 quartet. F. Electron density for the U4 quartet.