ABCA4 and infection: No truncated and/or aberrant ABCA4 proteins were detected by Western blot analysis of C57BL/6 eyecups treated with dual AAV TS and hybrid AK vectors using anti-3xflag antibodies although two proteins (>100 KDa) smaller than the full length are produced in vitro following infection with either the single 5′-or 3′-half of both dual AAV approaches (supplementary Figs S7 and S8).