The molecule is an S-farnesyl-L-cysteine where the C=C double bonds at the 2- and 6-positions both have (E)-configuration. It is a tautomer of a S-[(2E,6E)-farnesyl]-L-cysteine zwitterion.
(2R)-2-amino-3-[(2E,6E)-3,7,11-trimethyldodeca-2,6,10-trienyl]sulfanylpropanoic acid