The largest SRP RNAs known to date are found in the yeasts (Saccharomycetes) which acquired helices 9 to 12 as insertions into helix 5, as well as an extended helix 7.
RNA | 16S ribosomal RNA | RNA polymerase | particle physics | signal processing | RNA polymerase II | Digital signal processor | RNA-dependent RNA polymerase | Digital signal processing | digital signal processing | Digital Signal 1 | Bat-Signal | "Signal Hill" | RNA virus | RNA interference | RNA-binding protein | Busy Signal | Battle of Signal Hill Vietnam | Analog signal | Union Switch & Signal | The Signal (2007 film) | The Signal | Subatomic particle | Signal Mountain | Signal Hill | Particle physics | particle | non-coding RNA | Extracellular signal-regulated kinases | digital signal processor |