Antifreeze proteins modify the growth of ice crystals. We present a rational approach towards the design of short peptide analogues of the 8.7 kDa disulfide-bridged β-helical hyperactive insect antifreeze protein. Our synthetic peptides bind and modify the shape of ice crystals, and show enhanced antifreeze activity with the addition of citrate.
C. H. Z. Kong, I. K. H. Leung and V. Sarojini, CrystEngComm, 2017, 19, 2163 DOI: 10.1039/C7CE00232G
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