we have reported that within minutes following exposure of these cells to pma there is an increase of severalfold in phosphorylation of two cytosol proteins : 17-20 kda ( pp17 , pi approximately 5.5 ) and 27 kda ( pp27 , pi approximately 5.5 ) as detected in the intact cells by two-dimensional gel electrophoresis .
C0007634
cells
C1383501
cytosol