part of potassium ion transmembrane transporter activity https://github.com/geneontology/go-ontology/issues/27521 potassium uptake permease activity Enables the transfer of potassium ions (K+) from one side of a membrane to the other. GO:0015079 GO:0022817 potassium transporter activity molecular_function potassium uptake transmembrane transporter activity GO:0015388 metal ion transmembrane transporter activity potassium ion transmembrane transport