- Evaluation of the binding of the tricyclic isoxazole photoaffinity label LY475776 to multidrug resistance associated protein 1 (MRP1) orthologs and several ATP- binding cassette (ABC) drug transporters. Dantzig, A.H., Shepard, R.L., Pratt, S.E., Tabas, L.B., Lander, P.A., Ma, L., Paul, D.C., Williams, D.C., Peng, S.B., Slapak, C.A., Godinot, N., Perry, W.L. Biochem. Pharmacol. (2004)