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. 2021 Feb 19;12:1183. doi: 10.1038/s41467-021-21349-3

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© The Author(s) 2021

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Fig. 1 — Based on current models, the blue sequences are ice-nucleation active sites. A Repeat structure of the ice-nucleation active protein InaZ without the N- and C-terminal domains. B Sequence of the full InaZ9R construct. It contains an N-terminal tag, the membrane-binding N-terminal domain, the ice-active repeat units, and a C-terminal domain of unknown function^15,17,61,62.