has primary input intracellular protein localization https://github.com/geneontology/go-ontology/issues/23112 cellular protein localization GO:0008104 protein localization asymmetric protein localisation channel localizer activity biological_process Reactome:R-HSA-9609507 establishment and maintenance of protein localization protein localisation establishment and maintenance of asymmetric protein localization asymmetric protein localization Any process in which a protein is transported to, or maintained in, a specific location. cellular protein localisation macromolecule localization protein