Analysis of high- (A) and low-affinity (B) cre boxes responsible for gene repression. Weight Matrix (upper panels) and cre box consensus with Position Frequency Matrix (PFM) (lower panels). In the consensus sequence: R is A or G, Y is T or C.
Marciniak et al. BMC Genomics 2012 13:401 doi:10.1186/1471-2164-13-401