- Mitochondrial HSP60 (P1 protein) and a HSP70-like protein (mortalin) are major targets for modification during S-(1,1,2,2-tetrafluoroethyl)-L-cysteine-induced nephrotoxicity. Bruschi, S.A., West, K.A., Crabb, J.W., Gupta, R.S., Stevens, J.L. J. Biol. Chem. (1993)