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PSI scientists have shed light on an important component of the eye: a protein in the rod cells of the retina which helps us see in dim light. Acting ....
E-Mail IMAGE: when cAMP (orange) binds. This also changes the distance between the two molecular magnets attached to the channel (black). view more Credit: (c) Tobias Hett / Universität Bonn und Forschungszentrum caesar Researchers at the University of Bonn and the research center caesar have succeeded in ultra-fast freezing proteins after a precisely defined period of time. They were able to follow structural changes on the microsecond time scale and with sub-nanometer precision. Owing to its high spatial and temporal resolution, the method allows tracking rapid structural changes in enzymes and nucleic acids. The results are published in the Journal of the American Chemical Society. ....