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DVU_0279 is one of three SulP-type transporters in D. vulgaris Hildenborough
"Three SulP-type transporters are noted (DVU0053, DVU0279, DVU1999)"
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DVU_0279 clusters phylogenetically with dicarboxylate transporter DauA
"DVU0279 clusters phylogenetically with dicarboxylate transporter DauA"
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DVU_0279 is not essential for sulfate uptake
"None of these three are essential for sulfate uptake in physiological studies and/or transposon studies, implying alternative uptake routes"
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SulP and CysZ families are the main sulfate uptake systems in SRM
"SulP and CysZ families are most consistently implicated in SRM sulfate uptake"
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ABC-type sulfate transport is not used by SRM due to energetic constraints
"Because SRB conserve little net ATP per sulfate reduced, ATP-driven sulfate import is disfavored"
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SLC26/SulP transporters are secondary-active anion transporters
"SulP/SLC26 transporters: A widely distributed family of secondary-active anion transporters that move inorganic anions (e.g., sulfate, bicarbonate, chloride, oxalate, iodide in some members) across membranes"
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The STAS domain modulates transporter function
"The cytosolic STAS domain of SLC26/SulP proteins modulates transporter function and biogenesis"