Research Article

A Topological Description of Hubs in Amino Acid Interaction Networks

Table 1

Structural families studied for the scale-free properties. We choose only families which count more than 100 proteins, for a total of 18296 proteins. We select a protein only when all its domains are the same. We have worked with the SCOP v1.73 classification.

Class Number of families Number of proteins

122970
176372
185197
163757