(F) Whole lysates and cytosolic and membranous fractions were prepared from fat body samples of 3rd instar larvae expressing an RDH/CG2064-GFP knockin reporter. RDH/CG2064-GFP protein was detected by anti-GFP antibody in a western blot. RDH/CG2064-GFP is mainly present in the membranous fraction. 