... presence of 20E,however, favors the formation of the AaEcR⁄ AaUSPheterodimer [13], indicating that the regulation of the activity of these proteins occurs through protein–pro-tein interactions, ... single protein. Interestingly, during the initialprocess of identifying the NR family members in the A. aegypti genome, we predicted two isoforms of AaFTZ-F1, differing only in their A ⁄ B region, ... during the decline of the ecdysteroid titer at the end of the molt. Mol Cell Endocrinol 276, 71–79.58 Riddiford LM, Hiruma K, Zhou X & Nelson CA(2003) Insights into the molecular basis of...