macromolecule localization cellular localization cellular macromolecule localization cellular macromolecule localisation GO:0070727 Any process in which a macromolecule is transported to, and/or maintained in, a specific location at the level of a cell. Localization at the cellular level encompasses movement within the cell, from within the cell to the cell surface, or from one location to another at the surface of a cell. biological_process mah 2009-06-16T04:08:29Z