when infected cells are separated into nuclear , plasma membrane , and low-speed supernatant fractions , 80-95 % of in vivo-phosphorylated middle-sized t antigen is localized to the plasma membrane fraction , while 25-50 % of [ 35s ] methionine-labeled middle-sized t antigen is found in the nuclear fraction and the same amount is found in the plasma membrane fraction .
C0007634
cells
C0028584
nuclear