part_of part of part of transporter activity transmembrane transporter activity GO:0005386 GO:0015563 GO:0015646 GO:0022857 GO:0022891 GO:0022892 Reactome:R-HSA-1236947 Reactome:R-HSA-429036 Reactome:R-HSA-5638209 Reactome:R-HSA-5671707 Reactome:R-HSA-6784434 Reactome:R-HSA-6784436 molecular_function uptake permease activity substrate-specific transporter activity uptake transmembrane transporter activity substrate-specific transmembrane transporter activity Enables the transfer of a substance, usually a specific substance or a group of related substances, from one side of a membrane to the other. transmembrane transport