since these proteins are unphosphorylated when present in the cytoplasm [ zinker , s. ( 1980 ) biochim . biophys . acta 606 , 76-82 ; sanchez-madrid , f. , vidales , f. j. , & ballesta , j. p. g. ( 1981 ) eur . j. biochem . 114 , 609-613 ] , a regulatory mechanism of the ribosomal function based on a phosphorylation-dephosphorylation process of the acidic proteins is being studied .
C0010834
cytoplasm
C0035553
ribosomal