Mediates an active uptake of hexoses, probably by sugar/hydrogen symport. Mostly transports glucose, and barely galactose, xylose and mannose. Sugar transport protein 9 Hexose transporter 9 STP9 STP9_ARATH At1g50310 MAGGAFVSEGGGGGNSYEGGVTVFVIMTCIVAAMGGLLFGYDLGISGGVTSMEEFLSKFFPEVDKQMHEARRETAYCKFDNQLLQLFTSSLYLAALASSFVASAVTRKYGRKISMFVGGVAFLIGSLFNAFATNVAMLIVGRLLLGVGVGFANQSTPVYLSEMAPAKIRGALNIGFQMAITIGILIANLINYGTSQMAKNGWRVSLGLAAVPAVIMVIGSFVLPDTPNSMLERGKYEQAREMLQKIRGADNVDEEFQDLCDACEAAKKVDNPWKNIFQQAKYRPALVFCSAIPFFQQITGINVIMFYAPVLFKTLGFADDASLISAVITGAVNVVSTLVSIYAVDRYGRRILFLEGGIQMIVSQIVVGTLIGMKFGTTGSGTLTPATADWILAFICLYVAGFAWSWGPLGWLVPSEICPLEIRPAGQAINVSVNMFFTFLIGQFFLTMLCHMKFGLFYFFGGMVAVMTVFIYFLLPETKGVPIEEMGRVWKQHPFWKRYMPDDAVIGGGEENYVKEV F14I3.9 517