Additional file 1: Fig. S1. Fractionation of HS: F-Insv on a Superose 6 10/300 size exclusion column. Fig. S2. Spatial patterns of Insv expression in wild type and transgenic rescue lines. Fig. S3. Wild type and mutant Insv proteins are expressed at the same level. Fig. S4. ubi-insvd135 -150 rescues the insv23B; Fab-7GAGA1-5 combination.