Fig. 1.
Western blot of lysates from PTN-stimulated HeLa cells probed with anti-phosphoserine 713 and 726 β-adducin antibodies. (Upper) Lanes 1, untreated; 2, 5 min after PTN treatment; 3, 20 min after PTN treatment; 4, 60 min after PTN treatment. (Lower) Reprobe of Western blot with anti-actin antibodies.