Researchers have now uncovered the 3D structure of the RNA enzyme SAMURI. Their study provides insights into the development of ribozymes and the evolution of catalytically active RNA.
From a genetic perspective, it is the worst-case scenario for a bacterium: during transcription, freshly created RNA adheres to its DNA template to form a three-stranded structure called an R-loop.
A small helper for big tasks: an oxygen sensor protein protects the enzymatic machinery of biological nitrogen fixation from serious damage. Its use ...