Figure 3From: Reconstructing the ubiquitin network - cross-talk with other systems and identification of novel functionsU-net (a) degree distribution and (b) tolerance to attack and failure. The U-net degree distribution is well approximated by a power-law equation: y = 13616x-2.053 and R2 = 0.948. The power-law distribution is common to several biological networks and is frequently associated with the scale-free structure and tolerance to failure [110].Back to article page