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Protein of unknown function (DUF1269) This family consists of several bacterial and archaeal proteins of around 200 residues in length. The function of this family is unknown. The family carries a repeated glycine-zipper sequence- motif, GxxxGxxxG, where the x following the G is frequently found to be an alanine. As glycine-zippers occur in membrane proteins, this family is likely to be found spanning a membrane.
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