Fig. 5.

Three key regulators of element F transcription and chromatin are conserved in cockroaches. Lines show the percent amino acid sequence conservation. The coordinates of the following predicted functional domains are shown as gray boxes in each graph. a, b RNA-binding domain (RBD). c, d Coiled-coil domain (CC), tudor domain (T), methyl-CpG-binding domain (MBD), and SET domain. e, f CC domain and fibronectin type III repeats (F-III). c, d Predicted pre-SET domains are shown as white boxes next to SET domains. c The region of D. melanogaster Egg that interacts with Wde is shown by a black box. e The region of Wde that interacts with Egg