confers_resistance_to_antibiotic confers_resistance_to_antibiotic sulfamethoxazole ECF transporter S component ThfT ThfT is an ECF transporter S component that expands the substrate profile of endogenous ECF transporters to include folate biosynthesis end products. It confers resistance to the folate synthesis inhibitor sulfamethoxazole by allowing uptake of host folate. ThfT ARO:3007427 antibiotic_resistance