The sotA protein is involved in the efflux of sugars. Its physiological function may be to reduce intracellular concentrations of toxic sugars or sugar metabolites. It transports isopropyl β-D-1-thiogalactopyranoside (IPTG), lactose, and arabinose.
Protein Families
Major facilitator superfamily, Set transporter family
Subcellular Location
Cell inner membrane; Multi-pass membrane protein.
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