The comparison of protein domain organisation of IR25a, IR8a and IR93a from <i>D</i>. <i>melanogaster</i>, <i>P</i>. <i>argus</i> and <i>B</i>. <i>improvisus</i>.
ATD amino-terminal domain (grey), Lig_chan Ligated ion channel L-glutamate- and glycine-binding site (PF10613) (violet) overlapping with PBPe (PF00060) domain (green). White boxes represent transmembrane domains predicted with TMHMM Server v. 2.0.</p