Sensory receptor repertoire in cyprid antennules of the barnacle Balanus improvisus
Fig 5
Alignment of PBPe domains from D. melanogaster IR25a, IR8a, IR93a and candidate B. improvisus IRs.
The three glutamate binding positions characterised from Benton et al. (2009) are marked with asterisk. S1 and S2 stand for ligand-binding lobes of the “Venus flytrap” of the iGluRs.