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antifreeze proteins |
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antifreeze proteins [′an·ti‚frēz ¦prō‚tēnz] (biochemistry) Proteins that decrease the nonequilibrium freezing point of water without significantly affecting the melting point by directly binding to the surface of an ice crystal, thereby disrupting its normal structure and growth pattern and inhibiting further ice growth; found in a number of fish, insects, and plants. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Researchers discovered these so-called antifreeze proteins in the 1960s (SN: 4/19/97, p. Using previously published research on native antifreeze proteins and antifreeze glycoproteins as a guide, and coordinating a vast pool of world recognized intellectual talent in a networked environment, PKTX is conducting rapid and meaningful research with a view to developing markets for this very useful family of molecules. So far, there's no evidence that the proteins that guide shell growth in mollusks have an alpha helical structure like the fish antifreeze proteins. |
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