The FRH (frequency-interacting RNA helicase) protein is the Neurospora crassa homolog of yeast Mtr4. an essential RNA helicase that plays a central role in RNA metabolism as an activator of the nuclear RNA exosome. FRH is also a required component of the circadian clock. mediating protein interactions that result in the rhythmic repression of gene expression. https://www.getpureroutine.com/quick-grab-blackmores-ache-relief-focus-60-tablets-supply-hot-grab/