>tr|A0A0H3BL20|A0A0H3BL20_TREPS Spermidine/putrescine ABC transporter, periplasmic binding protein OS=Treponema pallidum subsp. pallidum GN=potD MKRFCVSSSRILSLLFLSLWMGSCLQTRQDVLYLYNWTYYTPTSLIKKFEQQYNVQVVYD DYASNEDMFAKLSIGASGYDLVVPSGDFVSIMKRKHLLEKIDLSKIPNVQFIKESVRARI AYDPKMEYSVPYYLGAAGIAVNKKAVPSYARTWSIFSRKDLAYRMSMMDDMREVMGAALA SLGYNVNTKNEQELAQAAILVTDHWKPNLVKFDSDGYAKSFASGDFVVAHGFAEAFFAET PEAMHEHIDFFIPQDVASPVYVDSFCIPKGARNRDLAHAFINFFLEPAHYAEFLDTFGFP STIHREAAAYQKKTPYYSEHDLERGTLKTDVGAAIEHYNAHWNAVRFR