Fig. 3From: Detecting RNA-RNA interactions in E. coli using a modified CLASH methodDistribution of normalized minimum folding energies of annotated reads from various samples. Different treatments are shown. UV, 365 nm UV irradiation; AMT, AMT added; Ligation, treated with T4 RNA ligase; Reversion, photoreversal of cross-linking by 254 nm UV irradiation; None, none of the above treatments; Random, random sequences from the genome. Minimum folding energies were calculated by RNAfoldBack to article page