forskolin increased phosphate incorporation into two proteins in the cytoplasmic fraction of 24 kilodaltons ( kd ) ( pi 6.8 ) and 40 kd ( pi 5.8 ) , two proteins in the plasma membrane fraction of 32 kd ( pi 8.3 ) and 60 kd ( pi 8 ) , and one protein in the nuclear fraction of 20 kd ( pi 8.7 ) .
C0033684
proteins
C0028589
protein