molecular_function iron ion transmembrane transporter activity https://github.com/geneontology/go-ontology/issues/17162 multicopper ferroxidase iron transport mediator activity GO:0005381 GO:0005382 Reactome:R-HSA-5623558 Enables the transfer of iron (Fe) ions from one side of a membrane to the other. iron channel activity iron cation channel activity transmembrane iron ion permease activity zinc, iron permease activity GO:0016033 Reactome:R-HSA-917936 GO:0097689 An example of this is mouse ferroportin (UniProtKB:Q9JHI9), which transports iron out of the cell. Reactome:R-HSA-435349 transmembrane iron permease activity iron transporter activity Reactome:R-HSA-904830 Reactome:R-HSA-5655733 molecular_function