1.8.3.6 S-(2E,6E)-farnesyl-L-cysteine + O2 + H2O farnesylcysteine lyase is involved in negative regulation of abscisic acid signaling in Arabidopsis. The enzyme is part of an recycling pathway in plants whereby the farnesal product od S-farnesyl-L-cysteine lyase is reduced to farnesol, which is subsequently phosphorylated to farnesyl diphosphate 1.8.3.6 S-(2E,6E)-farnesyl-L-cysteine + O2 + H2O the enzyme exhibits specificity for farnesyl-L-cysteine over geranylgeranyl-L-cysteine