has primary input protein localization intracellular protein localization cellular protein localization GO:0008105 GO:0008104 protein localization GO:0016249 asymmetric protein localisation channel localizer activity biological_process Reactome:R-HSA-9609507 GO:0034613 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 localization cellular macromolecule localization protein