Multiple subgraphs of the MYC pattern that vary by nodes of the same cluster at an equivalent position. The 4 subgraphs have similar nodes (TUBA4A, TUBA8, TUBA1B and TUBA1A) at corresponding positions. Therefore they belong to the same pattern.
Shen et al. BMC Systems Biology 2012 6(Suppl 3):S2 doi:10.1186/1752-0509-6-S3-S2