Amino acid conservation analysis of the sugar transporter protein Xltr1p. (A) Amino acid sequence comparison of Xltr1p with other hexose transporter proteins (GAT1 from Neurospora crassa, XP_963898.1; NcHXT-1 from Neurospora crassa, XP_965499.1; NcHXT-2 from Neurospora crassa, XP_959563; ScSUT3 from saccharomyces cerevisiae, XP_001386019.2; KlHgt1 from Kluyveromyces lactis, XP_451484.1; TrStr1 from Trichoderma reesei, XP_006967934.1; TrStr2 from Trichoderma reesei, XP_006967659.1; TrStr3 from Trichoderma reesei, EGR49690.1; Xltr1p from Trichoderma reesei, XP_006966515.1; ScGAL2 from saccharomyces cerevisiae, NP_013182.1). (B) Prediction of the evolutionary conservation of Xltr1p amino acid sequences using Consurf (https://predictprotein.org/).