The following is in response to a query from Dr. Lucy Cherbas on the identity of the cultured cell line used in the following publication: Huckaba, T.M., Gennerich, A., Wilhelm, J.E., Chishti, A.H., Vale, R.D. (2011). Kinesin-73 Is a Processive Motor That Localizes to Rab5-containing Organelles. J. Biol. Chem. 286(9): 7457--7467. They used the BG2-c6 line.