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integral membrane protein, YkoY family Rfam model RF00080 describes a structured RNA element called the yybP-ykoY leader, or SraF, which may precede one or several genes in a genome. Members of this highly hydrophobic protein family often are preceded by a yybP-ykoY leader, which may serve as a riboswitch. From the larger group of TerC homologs (pfam03741), this subfamily contains proteins YceF and YkoY from Bacillus subtilis. A transport function is proposed.
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