ExpressPlus OATP1B1 Substrate Assessment in OATP1B1-Transfected CellsExpressPlus OATP1B1 Substrate Assessment in OATP1B1-Transfected Cells This assay uses OATP1B1-transfected HEK293 cells to assess whether the test compound is a potential substrate of the hepatic uptake transporter OATP1B1 Catalog number EA283 1. Required from Customer 2. Deliverables 3. Substrate 4. Assay System 5. Assay Conditions 6. Batch QC 7. Options The customer can request: 8. Notes