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Bacterial ice-nucleation proteins : ウィキペディア英語版 | Bacterial ice-nucleation proteins
Bacterial ice-nucleation proteins is a family of proteins that enable Gram-negative bacteria to promote nucleation of ice at relatively high temperatures (above -5C). These proteins are localised at the outer membrane surface and can cause frost damage to many plants. The primary structure of the proteins contains a highly repetitive domain that dominates the sequence. The domain comprises a number of 48-residue repeats, which themselves contain 3 blocks of 16 residues, the first 8 of which are identical. It is thought that the repetitive domain may be responsible for aligning water molecules in the seed crystal. () / / | | \ \ AGYGSTxTagxxssli AGYGSTxTagxxsxlt AGYGSTxTaqxxsxlt () () () == See also==
* Ice-minus bacteria
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