upon sedimentation of detergent extracts from crosslinked cells on sucrose gradients , a p21-p60 complex could be demonstrated with a mr of 200,000-300,000 , p60 does not appear to be related to pp60src nor to the cytosolic gtpase activating protein that interacts with p21ras to enhance its gtpase activity .
C0007634
cells
C1383501
cytosolic