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Protein Domain : Bacterial ice-nucleation, octamer repeat

Primary Identifier  IPR000258 Type  Repeat
Short Name  Ice_nucleatn
description  Certain Gram-negative bacteria express proteins that enable them 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.[.........48.residues.repeated.domain..........]/ / | | \ \AGYGSTxTagxxssli AGYGSTxTagxxsxlt AGYGSTxTaqxxsxlt[16.residues...][16.residues...][16.residues...]

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