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Penn Researchers Create First Custom Designed Protein Crystal - Protein design is a technique that is increasingly valuable to a variety of fields, from biochemistry to therapeutics to materials engineering. University of Pennsylvania chemists have taken this kind of design a step further; Using computational methods, they have created the first custom-designed protein crystal. Reference: J. G. Saven et al, Proceedings of the National Academy of Science, April 25, 2012, doi: 10.1073/pnas.1112595109