establishment of localization establishment of localization establishment of localization establishment of localization establishment of localization establishment of localization establishment of localization establishment of localization establishment of localization establishment of localization establishment of localizationestablishment of localization transmembrane transporter activity protein binding transmembrane transporter activity protein binding transmembrane transporter activity protein binding transmembrane transporter activity protein binding transmembrane transporter activity protein binding transmembrane transporter activity protein binding transmembrane transporter activity protein binding transmembrane transporter activity protein binding transmembrane transporter activity protein binding transmembrane transporter activity protein binding transmembrane transporter activitytransmembrane transporter activity protein bindingprotein binding cell membrane protein-containing complex cell membrane protein-containing complex cell membrane protein-containing complex cell membrane protein-containing complex cell membrane protein-containing complex cell membrane protein-containing complex cell membrane protein-containing complex cell membrane protein-containing complex cell membrane protein-containing complex cell membrane protein-containing complex cellcell membranemembrane protein-containing complexprotein-containing complex