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Crystal Structure of an Insect Antifreeze Protein and its Implications for Ice Binding
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Background: Antifreeze proteins bind to ice crystals and inhibit their growth. Results: The crystal structure of a potent beetle antifreeze protein was determined by direct methods. Conclusion: Ordered crystallographic waters on the protein surface match several planes of hexagonal ice. Significance: The structure is the largest determined ab initio without heavy atoms and its ordered waters suggest a molecular basis for ice binding.
This article was published online in The Journal of Biological Chemistry and is free to access.
