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. 2018 Jan 31;13(1):e0189947. doi: 10.1371/journal.pone.0189947

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© 2018 Firdaus-Raih et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 3 — (A) Ice crystals in samples containing recombinant GaAFP proteins were deformed into hexagonal shapes while the control untreated sample of ice crystals were disk shaped and the AFP eliminated samples containing proteinaseK reverted to the circular shape of the untreated sample; (B) ice recrystallization inhibition activity after incubation at -6°C for 30 min where samples containing the nine recombinant GaAFP proteins resulted in the formation of smaller ice grains compared to the coarse grains observed for the untreated samples while the samples that have the AFP effect eliminated by proteinaseK have reverted to coarse ice grains.