establishment of localization cell communication establishment of localization cell communication establishment of localization cell communication establishment of localization cell communication establishment of localization cell communication establishment of localization cell communication establishment of localization cell communication establishment of localization cell communication establishment of localization cell communication establishment of localization cell communication establishment of localizationestablishment of localization cell communicationcell communication transmembrane transporter activity transmembrane transporter activity transmembrane transporter activity transmembrane transporter activity transmembrane transporter activity transmembrane transporter activity transmembrane transporter activity transmembrane transporter activity transmembrane transporter activity transmembrane transporter activity transmembrane transporter activitytransmembrane transporter activity cell membrane cell junction organelle cell membrane cell junction organelle cell membrane cell junction organelle cell membrane cell junction organelle cell membrane cell junction organelle cell membrane cell junction organelle cell membrane cell junction organelle cell membrane cell junction organelle cell membrane cell junction organelle cell membrane cell junction organelle cellcell membranemembrane cell junctioncell junction organelleorganelle