Experiment AAV Tropism project Experiment Condition AAV6 females Assay Description: Cre activity was assessed by image quantification Tissue Measured: small intestine Measurement Type: Editing Efficiency Record ID 15000001890 Editor Delivery System AAV Delivery System Subtype Viral vector Guide Vector AAV6-ZsGreen-Cre; Model Species Mouse Model Name B6.Cg-Gt(ROSA)26Sor ^ tm9(CAG-tdTomato)Hze/J Sample Age 6 weeks Sample Sex Female Application Method intravenous Application Site systemic Dosage 1E12 GC/mouse Injection Frequency once Injection Rate Injection Volume 150 microliters Days post injection 28 days Editor Format Antidote Id Antidote Description Measured Values Samples Size: 4   Replicate Result (Editing Efficiency) Measurement Units: % cells tdTomato positive Mean 5.33  1 3.61  2 7.8  3 7.86  4 2.05  Measurement Units: GC/ug DNA Mean 860.6  2 1194  3 434  4 796  5 1411  6 468

AAV6 small intestine AAV serotypes delivering Cre recombinase were tested by intravenous delivery into Ai9 mice and chacterized by imaging