Scientists determine structure of an iconic ribozyme from pond scum in unprecedented detail (IMAGE)
Caption
One-celled organisms called Tetrahymena, magnified 400 times, are seen in the remains of a dead copepod in a water sample collected near the Laguna de los Peces in Spain. The first RNA catalyst, or ribozyme, was discovered in these creatures 40 years ago. Now scientists at SLAC and Stanford have solved the 3D structure of that ribozyme and other RNA-only molecules with unprecedented speed, accuracy and resolution with a system called Ribosolve that combines computer software with cryogenic electron microscopy (cryo-EM.)
Credit
Proyecto Agua
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