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Scientists decipher structure of nature’s ‘light switch’Posted on June 23rd, 2010
Opening a window into this process, scientists at DOE's Brookhaven Lab and collaborators at the University of Wisconsin have deciphered the structure of a molecular "switch" known as a phytochrome that is much like the one plants use to sense light. They used a combination of electron microscopy, cryo-electron microscopy, and computational techniques to produce a 3-D map of the full structure. They then used this map to piece together the detailed structures of small phytochrome fragments that had been previously determined using x-ray crystallography.
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