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5xqn is a 2 chain structure with sequence from Zoarces elongatus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Q53UJ4_9TELE Lowers the blood freezing point. Contributes to protect fish blood from freezing at subzero sea water temperatures. Binds to nascent ice crystals and prevents further growth.[RuleBase:RU362061]