Prenylcysteine lyase deficiency in mice results in the accumulation of farnesylcysteine and geranylgeranylcysteine in brain and liver.
Beigneux A, Withycombe SK, Digits JA, Tschantz WR, Weinbaum CA, Griffey SM, Bergo M, Casey PJ, Young SG. J Biol Chem. 2002 Oct 11; 277(41):38358-63. Epub 2002 Jul 31.