none of these can be derived from measurements of metal contents of whole lysosomal fractions because the metal 's `` '' effective concentration '' '' at a specific target site may be affected by the binding properties of the lysosomal ligand as well as by those of cation carrier proteins present in the cytosol ( e.g. , metallothionein ) , and by interactions with and competitions by other cellular organelles .
C1383501
e cytos
C0007634
cellul