Interactions in the regulatory network of E. coli that are ambiguous with a compendium data of expression profiles. For each interaction, there exist at least two expression profiles that do not predict the same sign on the interaction. Dotted and filled lines represent the MBM of Type I and Type II, respectively.
Veber et al. BMC Bioinformatics 2008 9:228 doi:10.1186/1471-2105-9-228