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 synapse organelle membrane cell junction cell synapse organelle membrane cell junction cell synapse organelle membrane cell junction cell synapse organelle membrane cell junction cell synapse organelle membrane cell junction cell synapse organelle membrane cell junction cell synapse organelle membrane cell junction cell synapse organelle membrane cell junction cell synapse organelle membrane cell junction cell synapse organelle membrane cell junction cellcell synapsesynapse organelleorganelle membranemembrane cell junctioncell junction