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Caption: A large number of new protein structures are determined each year by researchers using the powerful X-rays at the Advanced Photon Source at Argonne . Seeing the structure provides an insight to researchers that otherwise would not be possible. For instance, this structure of bacteriophage HK 97 shows that nature's chain mail provides this viral genome's interior with exceptional protection. The protein structure was determined at the BioCARS beamline, operated by the University of Chicago .
Credit: Courtesy: Argonne National Laboratory
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