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ZirU family protein ZirU, as found in Salmonella, shares with ZirS the property of requiring ZirT for its type Vb-like secretion. This HMM describes a broader family of ZirU homologs. The N-terminal half of this HMM shows detectable homology (although scoring below the cutoffs set for the model) to ZirT (zinc regulated transporter), but no similarity to ZirS (zinc regulated secreted protein)
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