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Word: subtilisin (lookup in dictionary) (lookup stats)
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...striking laboratory evidence. For the past 15 years he has headed a scientific team looking into the three-dimensional structure of enzymes, the long-chained proteins that act as catalysts in all the chemical reactions necessary for life. The group's latest interest has been an enzyme called subtilisin, which is found in ordinary soil bacteria. As they investigated subtilisin's complex structure, the scientists realized that it had a curious similarity to another enzyme, chymotrypsin, common to all vertebrates, including man. While the overall molecular architecture of the two enzymes is quite different, they both have three...

Author: /time Magazine | Title: Science: Nature's Way | 11/29/1971 | See Source »

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