Sodium sulfate symporters are integral membrane proteins that mediate the intake of a wide variety of molecules with the concomitant uptake of sodium ions. These sodium symporters can be grouped, on the basis of sequence and functional similarities into a number of distinct families. One of these families, also known as SLC13 transporters, consists of the following proteins:
Mammalian sodium/sulphate cotransporter. Mammalian renal sodium/dicarboxylate cotransporter, which transports succinate and citrate. Mammalian intestinal sodium/dicarboxylate cotransporter. Chlamydomonas reinhardtii putative sulphur deprivation response regulator SAC1. This family also includes a number of bacterial symporters.
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