two-dimensional gel electrophoretic analysis ( nephge , ief ) of the [ 32p ] -orthophosphate-labeled proteins synthesized throughout the cell cycle of transformed human amnion cells ( ama ) revealed two phosphoproteins ( dividin , mr = 54,000 , pl = 8.4 ; ief 59dl , mr = 27,000 , pl = 5.7 ) that are present mainly in s-phase cells .
C0033684
proteins
C0031689
phosphoproteins